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Tutorials > µTorrent Setup and Optimization


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AuthorMessage
ghostman avatar
Posted: Fri Jan 08, 2010 21:58
Author: Trusted UploaderSite FriendSuperman
me



µTorrent Installation, Setup and Optimization


µTorrent is a powerful and efficient BitTorrent client for Windows. µTorrent has most of the features common to other BitTorrent clients, including bandwidth prioritization, scheduling, RSS auto-downloading, and Distributed Hash Table (DHT). Additionally, µTorrent supports the protocol encryption joint specification and Peer Exchange (PEX). Unlike many torrent clients, µTorrent does not tax valuable system resources; typically using less than 6MB of memory.

This Guide will cover the "Installation", "Setup" and "Optimization" of the µTorrent BitTorent Client. I have tried to make this guide clear, concise and complete. To this end, most settings are color coded and highlighted in the illustrations; a brief explanation is also included. Some calculations are needed, but nothing beyond simple arithmetic. My hope is that everyone, to some degree, will find this guide helpful.



me





µTorrent Installation, Setup and Optimization


Download and Install


Initial Setup

Speed test
Connection Type and Speed Setting
Port Check and Forwarding
Protocol Encryption


Optimizing the Internet Connection

Tweaking the Network Settings
Windows XP SP2 and the Event ID 4226 Patch


µTorrent "Preferences"

General
Downloads
Connection
BitTorrent
Queueing
Scheduler
Other
Advanced
Disk Cache
User Interface
Web UI





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Downloadthe latest stable version of µTorrent. On theDownloadPage, are two available stable versions of µTorrent. The "Installer Version" and a "Stand Alone Version". The only difference between the two is that the "Installer Version" will create "Start Menu" and "Desktop" shortcuts during the installation process; however, on first run, the "Stand Alone Version" will ask if you would like to make shortcuts on your start menu and desktop. This section will cover the "Installer Version" of µTorrent. (Click the thumbnails to enlarge)



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"Double Click" or "Run" the µTorrent installation executable



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Choose a language and Click "OK"



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Click "Next" to continue.




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"Browse..." to a "Destination Folder", or accept the default, then Click "Next".



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Choose a "Start" menu folder, or Choose "Do not create shortcuts", then Click "Install"



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Wait for µTorrent to be installed.



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Click "Finish" to close the Wizard.




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When given the option to add "Shortcuts"; choose as desired.



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When prompted to make µTorrent the default application for .torrent files,
Click "Yes" and torrent files (.torrent) will be automatically opened with µTorrent.





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When µTorrent is "Opened" for the first time, the "Speed Guide" is displayed.
The Speed Guide will help you set your network for optimal speeds.




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After the initial "Installation Start", when "Run", the µTorrent icon will appear at bottom right of the screen,
in the Windows System Tray. Double Click the µTorrent Icon
pto open the GUI.



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Initial Setup



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After installation, µTorrent will open to the "Speed Guide" Window. The µTorrent ÓSpeed GuideÔ will help you setup the
network settings, for optimal speed. The "Speed Guide" can be accessed at any time by navigating to
µTorrent > Options > Speed Guide (Ctrl + G)




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A) Speed test

The settings in µTorrent are directly proportional to the Maximum Upload Rate. For the initial setup of µTorrent,
you can use the "Advertised" (claimed) Max Upload Rate from the Internet Service Provider (ISP),
but by doing a speed test you can more accurately judge your current line throughput or internet connection speed.
It is advisable to do a speed test when prompted.

1) Stop all internet traffic before proceeding with the test.
2) Visit one of the numerous speed testing sites such as
Dsl Reports,Speakeasy,or SpeedTest.Net
3) Perform the test several times. Select a good median result (neither the highest nor the lowest).
4) The value needed to proceed with the initial settings is the Max Upload Rate, expressed in kilo bits per second (kb/s)
not kilo Bytes per second (kB/s). [ 1 kB/s = 8 kb/s ]



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B) Connection Type and Speed Setting

1) Expand the "Connection Type" Drop Down Menu and using the "Advertised" (claimed), or Tested Maximum Upload Rate.
Select the listing closest to your Upload Rate in kilo bits per second, rounding down as necessary.
2) Speed tests may not be 100% accurate due to factors outside your control, if the closest speed option
is only slightly higher than your Maximum Upload Rate (within 10%), it's generally safe to select that option.
3) You will notice that the "Affected Settings" have adjusted to match the selected speed.
Higher settings will not yield better speeds, and may in fact make speeds worse.




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C) Port Check and Forwarding

To get the most from your given network connection it is vital you have an open port and that it is properly forwarded through
the Router and/or Modem. Software ports are numbered connections that a computer uses to sort network traffic.
A port may support incoming traffic, outgoing traffic, or both.

When a computer on the internet sends data to the external IP Address of your router, the router needs to know what to do with the data.
Port Forwarding tells the router, to which computer, on the local area network (LAN) to send the data.
When you have port forwarding rules set up, the router takes the data from the external IP Address / port number and sends that data
to an internal IP Address / port number. Port Forwarding rules are created per port, so a rule set up for port 6881 will only work for port 6881,
and therefore a port can only be used by one program at a time!


Pick any random port between 49152 and 65535, the "Unassigned" port range and enter that port number
in the "Current Port" field. Click the "Test if port is forwarded properly" button to check the port you have chosen.
The Default Browser will open and test the chosen port's mapping.




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If the µTorrent Port Checker displays this message, congratulations your port is open and accepting connections.



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If the µTorrent Port Checker displays this message, the port is not "Open", go toPortForward.com and allow the site to guide you
through the forwarding process. You will need to know the Router and/or Modem manufacturer, Model and the Username and Password;
check the manual if the passwords suggested by
PortForward.comdonÒt work.



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D) Protocol Encryption

Some Internet Service Providers (ISPs) are actively interfering with P2P activities to reduce their bandwidth requirements.
This causes the download speeds of file sharing programs, to become slow. To avoid this, µTorrent and other clients
have introduced Protocol Encryption to prevent ISPs from identifying BitTorrent traffic.

Click The "Enable Encryption" box to select.




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Optimizing the Internet Connection



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Tweaking the Network Settings

ÓTweakingÔ the TCP stack is necessary if you wish to fully utilize the available bandwidth of your connection.
You can do an ÓOn-LineÔ tweak test at
Dsl Reportsor use a program like TCP Optimizer.

TCP Optimizer is a free, easy, "No Install" program that provides an intuitive interface for tuning and optimizing your Internet connection.
TCP Optimizer -
DownloadTCP Optimizer -



1 ) Select the Maximum "Advertised" (claimed), or Maximum Tested Download Rate, from the "Connection Speed" slider bar.
(The maximum available bandwidth, in kilobits per second [kb/s]).
2 ) Choose your "Network Adapter", or check to "Modify All Network Adapters".
3 ) Check "Optimal settings"
4 ) Click "Apply changes", and reboot when prompted by the program.




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The Event ID 4226 Patch

Windows Vista, Windows XP SP2 and Windows 2003 Server SP1 limit the maximum concurrent half-open connections (SYN) to a maximum of 10
(the previous limit was over 65,000). The drawback to this connection limit is that network intensive applications can be slowed, including Peer-to-Peer (P2P) clients like µTorrent.

To change the limit on maximum concurrent half-open connections, effectively editing the TCPIP.SYS file, use the Event ID 4226 Patch.

A complete guide can be found here:
Windows XP SP2 and the Event ID 4226 PatchWindows XP SP2 and Windows 2003 Server SP1DownloadWindows VistaDownload

Once the TCPIP.SYS file, has been patched, open µTorrent and navigate to:

Options > Preferences (Ctrl+P) > Click "Advanced" > Click Ónet.max_halfopenÔ > Enter "50" in the "Value" Field > Click "Set"

Do not change the Ónet.max_halfopenÔ value, without first patching the TCPIP.SYS file, using the Event ID 4226 Patch.

To truly optimize µTorrent, set the limit to 50 and use µTorrent normally; periodically check the Windows Event Viewer for Event ID 4226 errors;
if these errors are found, raise the limit by 50, continuing this process, until these errors are no longer logged.

To access the Windows Event Viewer, navigate to: ÓStartÔ > "Run" > Enter "
eventvwr.msc " > Click "Ok"



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This section will make recommendations for µTorrent ÓPreferencesÔ. Many settings deal simply with usability issues,
while others can greatly affect the programÒs ability to transfer files, and the speed at which µTorrent, downloads.

To make this guide easier to use, where applicable, the recommended settings will have a green checkmark in the illustrations.
When a calculation or other options are available, they will be explained below the relevant ÓPreferencesÔ image.




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General

The General Preferences section deals with user interface options. The recommended settings are denoted above in green.


User Interface Settings

Language - There are numerous languages included with the µTorrent installation; additional languages can be easily added,
by clicking the ÓMoreÔ button, downloading and then installing the µTorrent Language Pack. To install the µTorrent Language Pack,
copy the file into directory with the µTorrent executable and the program will install it automatically. The default µTorrent location is:

C:\Program Files\uTorrent

Check for updates automatically - When enabled, µTorrent will automatically check for updates. Due to recent developments,
I do not suggest automatically updating µTorrent.

Confirm when deleting torrents - When enabled, µTorrent will prompt for deletion confirmation.

Show confirmation dialog on exit - When enabled, µTorrent will prompt for exit.


System Tray

Close to tray - When enabled, µTorrent will close to the System Tray if the program is closed using the
buttonbutton,
on the upper right window frame; otherwise the program will ÓCloseÔ, or Exit

Always show tray icon - When enabled, µTorrent will display the µTorrent icon in System Tray

Show balloon notifications in tray - When enabled, µTorrent will display a ÓBalloon NotificationÔ upon errors and other designated events

Minimize to tray - When enabled, µTorrent will ÓMinimizeÔ to the System Tray if the program is closed using the
buttonbutton,
on the upper right window frame; otherwise the program will ÓMinimizeÔ to the Taskbar.

Single Click on tray icon to open - When enabled, µTorrent opens from the system tray with a single click.

Always activate when clicked - When enabled, µTorrent is activated when tray icon is clicked


Display Options

Alternate list background color - When enabled, to help differentiate between torrents,
the µTorrent application window background will alternate between white and grey.

Show speed limits in the status bar - When enabled, µTorrent displays the Download & Upload speeds in the status bar,
on the lower right hand application window frame.

Show current speed in the title bar - When enabled, µTorrent displays the Download & Upload speeds, in the title bar.

Show graphical progress bar - When enabled, instead of the percentage numbers alone,
a blue graphical Progress Bar along with the percentage numbers, will be displayed.
bar



Windows Integration

Associate with .torrent files - Clicking this button will associate torrent files (.torrent) with the µTorrent Client.

Check association on startup - When enabled, µTorrent will ensure torrent files (.torrent) are associated with µTorrent, when started.

Start µTorrent on system startup - When enabled, µTorrent will start when the system is started, or rebooted.




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Downloads

Download Preferences provide options for torrent storage, file structure and manipulation.


Location of Downloaded Files

Put new downloads in: - Enabling this setting will provide the opportunity to change the directory into which, the torrent is downloaded. The directory location is selected, using the ÓBrowse ButtonÔ indicated above in green. The default µTorrent location is:

C:\Documents and Settings\*User Account*\My Documents\Downloads

Always show dialog on manual add - When enabled, the ÓChoose where to saveÅÔ window is displayed. In this window, the user can ÓBrowseÔ to a storage location other than indicated by ÓPut new downloads in:Ô or the default location.

Move completed downloads to: - Enabling this setting will provide the opportunity, to move torrent files when completed. The directory location is selected, using the ÓBrowse ButtonÔ indicated above in green.

Only move from the default download directory - If this setting is enabled, only files saved to the default location will be moved.

Append the torrentÒs label to the directory name - When enabled, the torrents label is applied to the directory name.


When Adding Torrents

DonÒt start the download automatically - When enabled, an ÓAddedÔ torrent will NOT automatically start.

Show a window that displays the files inside the torrent - When enabled and a torrent is opened, the ÓAdd New TorrentÔ window will open and display the files contained in the torrent. This gives the user numerous options including which files to download.

Activate the program window - When enabled, µTorrent will activate (Open), when a torrent file (.torrent) is opened.


Other Settings

Append .!ut to incomplete files - When enabled, the extension Ó.!utÔ will be added to incomplete file names; this will provide a visual queue for incomplete files.

Prevent stand-by if there are active torrents - When enabled and there is an active torrent, µTorrent will prevent your PC from entering the Standby (Sleep) mode (turns off all nonessential hardware, including the monitor, hard drives, and removable drives).

Pre-allocate all files - When enabled, the space required for the complete torrent download, is reserved on the hard drive.
"Pre-allocate all files" cannot be used in conjunction with "bt.compact_allocation", or "diskio.sparse_files". This option does not have an impact on fragmentation of your hard drive, as µTorrent already allocates each file upon writing to disk even without this option.




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Connection

Connection Preferences allow the user to properly configure the connections port, proxy and bandwidth settings. To optimize a given connection it is vital to have an open port and that it is properly mapped (forwarded) through the Modem and/or Router


Listening Port

Port used for incoming connections: - Specifies the port µTorrent uses to listen for incoming connections; this port must be open to firewalls.
If you have manually forwarded the µTorrent port, enter that port number in the field provided.

Random port button - Selects a random port between 10000 and 65000

Randomize port each time µTorrent starts - When enabled, µTorrent will select a random port between 1024 and 5000 to use at startup.
This option may conflict with manual port forwarding; If you have manually forwarded the µTorrent port, disable this option.

Enable UPnP port mapping - When enabled, µTorrent will use the "Universal Plug and Play Device Host" Windows Service (UPnP) to communicate with the router and automatically forward a port. Some devices do not support UPnP, therefore it may still be necessary to manually forward the µTorrent port. Disable UPnP if this is the case.

Enable NAT-PMP port mapping - Network Address Translation - Port Mapping Protocol allows a computer in a private network (LAN and Local IP Address) to automatically configure a router, or modem, to allow parties outside the private network to make contact with µTorrent through UDP.

Add µTorrent to Windows Firewall exceptions - Allows µTorrent to add an entry to the Windows Firewall exceptions list that lets it bypass the firewall. This is useful only if you actually have Windows Firewall enabled. Note that this option works only on Windows XP with at least Service Pack 2 (SP2) installed.


Proxy Server

While a Viable option, the use of a Proxy Server will inhibit Peer-to-Peer (P2P) file transfers

Type - Choose the Proxy Server type from the drop down menu. "HTTP" proxies cannot be used for Peer-to-Peer connections.

Proxy - Enter the proxy's URL or IP address.

Port - Enter the proxy's port.

Authentication - When enabled, this setting allows for automatic log in on Secure Proxy Servers.

Username - Enter the "User Name" as required for authentication.

Password - Enter the "Password" as required for authentication.

Use proxy server for peer-to-peer connections - When enabled, µTorrent will communicate and transfer data with peers through the proxy. By default, this option is disabled, and µTorrent only uses the proxy, to communicate with trackers.
Note: Peer-to-Peer communication cannot be used with HTTP proxies.


Global Bandwidth Limiting

The settings in µTorrent are directly proportional to the Maximum Upload Rate (MUR). To properly optimize µTorrent, or ÓSet for Best SpeedsÔ it is vital to have an accurate measurement of the MUR.

To get the most accurate reading on your system, do numerous tests, from various testing sites, to diverse testing servers, at different times of the day. After getting these speeds, take an average and use this average, expressed in kilo bits per second (kb/s), as your MUR.

Maximum Upload Rate (kb/s) = ( test1 + test 2 + test 3 +Å test n ) / n
Where "n" is the number of tests in the "Average"


To do a ÓSpeed TestÔ, Stop all internet traffic before proceeding and use one of the numerous speed testing sites such asDsl Reports,Speakeasy,or SpeedTest.net Please note, Internet Service Providers (ISP) ÓAdvertiseÔ speeds in kilo bits / sec (kb/s) and µTorrent speeds are set and reported in kilo Bytes / sec (kB/s). 1 kilo Byte / sec (kB/s) = 8 kilo bits / sec (kb/s)


Global maximum upload rate (kB/s): [0: unlimited] - The maximum upload rate for all active torrents combined. If this speed setting is too high, the internet connection can quickly become choked. 75% of MRU (rounding down) is generally accepted as "Optimal". This setting is the upper limit, all adjustments should be made downward.

Global maximum upload rate (kB/s) = 0.75 ( Maximum Upload Rate (kb/s) / 8 )

Alternate upload rate when not downloading (kB/s): - When enabled, allows the user to define an alternate upload rate, when no torrents are in downloading mode (only uploading). Other than the context in which it is active, this upload rate limit behaves exactly like the "Global Maximum upload rate".

Global maximum download rate (kB/s): [0: unlimited] - The maximum download rate for all active torrents combined. While 0, or "Unlimited" is the default and usual setting, it is suggested that 95% of the maximum download rate in kB/s will result in a more stable network connection.




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BitTorrent


Number of Connections

Global maximum number of connections - The maximum number of connections µTorrent will make at any given moment for all active torrents. The optimal setting is by coincidence the Maximum Upload Rate (MUR) expressed in (kb/s)

Global maximum number of connections = Maximum Upload Rate (kb/s)

Maximum number of connected peers per torrent - The maximum number of peers µTorrent will connect to, at any given moment for each separate torrent. The optimal setting is the Maximum Upload Rate (MUR) expressed in (kb/s) divided by eight ( 8 )

Maximum number of connected peers per torrent = Maximum Upload Rate (kb/s) / 8

Number of upload slots per torrent - The maximum number of peers µTorrent will upload to, at any given moment for each separate torrent. This setting is always at the very least, one (1) and can be expressed as the Global Maximum Upload Rate in (kB/s) divided by four (4).

Number of upload slots per torrent = Global Maximum Upload Rate (kB/s) / 4

Use additional upload slots if upload speed < 90% - When enabled, µTorrent will open more upload slots if the current total upload speed is less than 90% of the ÔGlobal maximum upload rateÔ.



Additional BitTorrent Features

Distributed Hash Table (DHT) and Peer Exchange (PEX), are an alternate means of getting peers, from other peers instead of through the tracker; this is particularly useful on poorly seeded torrents, or when the tracker is unavailable.

DHT and PEX should always be disabled when using a private tracker, since they can become problematic. Some problems which may occur are the leakage of personal information and connecting to ÓunregisteredÔ clients, which will result in invalid statistics.


Enable DHT Network - When selected, the Distributed Hash Table (DHT), will be enabled.

Enable DHT for new torrents - When selected, µTorrent will check for peers from the DHT network on each newly added torrent. This option only works if the DHT Network is enabled, and if the 'Private' flag is not set in the .torrent file.

Enable Local Peer Discovery - When selected, µTorrent will attempt to discover local peers via multicast. If a peer is considered local, transfer rates with the peer will not be limited unless Limit local peer bandwidth is also enabled. Local peers will not be added to the peer list for .torrent files with the 'Private' flag set.

Ask tracker for scrape information - When enabled, µTorrent will Óscrape the trackerÔ (Request new Peer and Seed information). By default, the tracker is scraped only when the torrent job is started, but this can be changed using the Óbt.scrape_stopped:Ô setting in ÓAdvanced PreferencesÔ.

Enable Peer Exchange - When selected, Peer Exchange (PEX) for each newly added torrent will be enabled, provided the 'Private' flag is not set for that .torrent file.

Limit local peer bandwidth - When selected, µTorrent will apply the rate limits to peers on the local network. Peers are considered local if they are discovered by Local Peer Discovery, or if they are on the same LAN as the client.

IP/Hostname to report to tracker - Enables the user to specify the IP address when reporting to the tracker. This is used when the IP address is not reported correctly to the tracker; in example when using a proxy server. A hostname may be entered in this field; therefore if a dynamic DNS service is in use, the domain can be entered here.


Protocol Encryption

Outgoing: - There are 3 Protocol Encryption modes available in the dropdown menu. All modes will accept incoming encrypted connections, and the encryption is 2-way.

Disabled - µTorrent will attempt to establish only unencrypted outgoing connections.

Enabled - µTorrent will establish encrypted and unencrypted outgoing connections, depending on how the peer responds to the handshake.
This is the recommended option, as it allows µTorrrent to connect to the largest number of peers.

Forced - µTorrent is ÓForcedÔ to establish only encrypted outgoing connections. Any peer that doesn't support encryption
will not be connected to. It is recommended that this option be ÓEnabledÔ unless the ISP actively searches for
unencrypted incoming connections. This can significantly impair the ability to connect to peers.

Allow incoming legacy connections - When enabled, µTorrent will establish unencrypted incoming connections. If disabled, any incoming connection that is unencrypted will be ignored. It is recommended that this option be ÓEnabledÔ unless the ISP actively searches for unencrypted incoming connections. This can significantly impair the ability to connect to peers.




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Queueing

Queueing Preferences, allow the user to set parameters, at which torrents will start, stop and the speeds at which the torrent will seed.


Queue Settings

Maximum number of active torrents - The total maximum number of ÓunforcedÔ active torrents, before placing torrents in the queue. Torrents are counted regardless of whether they are uploading, or downloading, as long as the speed is at least 1 kB/s.

This is a personal preference setting, but a certain amount common sense and restraint is needed. The total available connection bandwidth will be split between active torrents, therefore the maximum connection upload and download speed must be taken into account.

Four (4) is a good, general use number, with which to start. If you have numerous sporadically seeded torrents the number can easily be raised, or ÓForced StartÔ can be used.


Maximum number of active downloads - The maximum number of ÓunforcedÔ downloading torrents, before placing torrents in the download queue. This option only applies to torrents that are downloading or are to be placed in downloading mode.

Using the same reasoning as stated in the ÓMaximum number of active torrentsÔ section, a low number is suggested. A valid strategy is to keep this setting low and allow the torrents to ÓQueueÔ; as one torrent finishes, another will start.

One (1), or two (2) at most, to start. If for some reason a higher number is desired, ÓForced StartÔ can be used.


Seed While [Default values]

Ratio is: <=___% - This setting enables the user to select the ratio at which µTorrent will stop, or throttle the speed of seeding torrents. Setting the ratio to -1 is equivalent to setting it to unlimited. A value of zero (0) will cause µTorrent to ignore the ratio parameter and use the Óor seeding time is:Ô setting only. This value is interpreted as a percentage, please enter it as such. µTorrent will throttle the seeding process only after both this and Óor seeding time is:Ô have been reached.

or seeding time is: - This setting enables the user to select the maximum amount of time you wish a torrent to continue seeding, at normal speeds after it has finished downloading. µTorrent will throttle the seeding process, only after both this and the ratio threshold have been reached.

Seeding tasks have higher priority than downloading tasks - When enabled; seeding tasks will have a higher priority than downloads. If the maximum number of active torrents is reached, and a torrent reaches seeding state, the downloading tasks will not force it into a queued seeding state.


When µTorrent has reached the seeding goal

Limit the upload rate to [use 0 to stop torrent]: - This setting enables the user to select the speed at which µTorrent will throttle a torrent when it reaches the seeding goal. A value of zero (0) will stop the torrent. This value is expressed in kB/s.
Force Start takes the selected torrent job(s) out of queue order (makes it ignore queueing) and forces it to start immediately, even if the maximum number of active torrent jobs and/or downloads has been reached. Forced torrent jobs will not stop even if they reach the seeding goals.




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Scheduler

The µTorrent Scheduler allows the user to create schedules controlling bandwidth according to time and day of the week.


Enable Scheduler - Enables the µTorrent Scheduler when checked.


Scheduler Table

Õ Each square in the table represents, horizontally each hour per day and vertically the day of the week. The color can be changed by left-clicking these boxes. It cycles through dark green, light green, and white. To get light red (Seeding Only), hold Shift while left-clicking on the box. Left-click-dragging will cause all time blocks that the mouse passes over to change to the new color.

Õ If the box is dark green, it is Full Speed, which means that µTorrent will adhere to the global upload and download rate limits during that hour.

Õ If a box is light green, it means the upload and download rates are ÓLimitedÔ and will be bound by the rate limits set, in the "Scheduler Settings" section.

Õ If a box is light red, it means ÓSeeding OnlyÔ, and all ÓUnforcedÔ torrents which are downloading, will be stopped.
Seeding torrents will proceed to seed as usual.

Õ If a box is white, it means that all torrent jobs that are not ÓForcedÔ will be set to ÓStopÔ.


Scheduler Settings

Limited upload rate (kB/s): - The ÓGlobal Maximum Upload RateÔ for all torrents when operating under ÓLimited modeÔ. Other than the context in which it is active, this upload rate limit behaves exactly like the ÓGlobal Maximum Upload RateÔ.

Limited download rate (kB/s): - The ÓGlobal Maximum Download RateÔ for all torrents when operating under ÓLimited modeÔ. Other than the context in which it is active, this download rate limit behaves exactly like the global maximum download rate.

Disable DHT when turning off - When ÓCheckedÔ DHT (Distributed Hash Table) is disabled, when the scheduler is operating under ÓLimited modeÔ.




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Other


Storage For Torrent Files

Store .torrent files in - When enabled, this setting will provide the opportunity to change the directory in which torrent files (.torrent) are saved. The directory location is selected, using the ÓBrowse ButtonÔ indicated above in green. The Default location where µTorrent saves torrents files (.torrent) is:

C:\Documents and Settings\*User Account*\Application Data\µTorrent

Move .torrents for finished jobs to: - When enabled, this setting will provide the opportunity, to move torrent files (.torrent) when completed. The directory location is selected, using the ÓBrowse ButtonÔ indicated above in green.


Auto-Load Torrents

Automatically load torrents in directory - When enabled, this setting causes µTorrent to check the specified directory for new torrent files (.torrent) and to load (Add) these files automatically. The directory location is selected, using the ÓBrowse ButtonÔ indicated above in green.
The directory specified, must be different, from the directories specified in ÓStore .torrent files inÔ and ÓMove .torrents for finished jobs to:Ô.

Delete torrent instead of renaming, when loading - When enabled, µTorrent will delete the torrent file (.torrent) from the directory specified in ÓAutomatically load torrents in directoryÔ once the file is automatically loaded. Normally, if this option is not checked, µTorrent appends .loaded to the extension to indicate the torrent file (.torrent) has been loaded and to prevent µTorrent from load loading the .torrent file again.


Other

Boss-Key - This setting allows the user to enter a keyboard combination that will remove µTorrent immediately from the desktop. The main window, any open dialog windows, the Taskbar Button and the system tray icon will be hidden and appear again when the keyboard combination is used a second time. To set this field, press any combination of modifiers (Ctrl, Alt, and Shift) and keys (letters, numbers, function keysÅ). Make sure the key combination selected is not in use by another application.

Allow µTorrent to send anonymous version number and random id when checking for new version - When enabled, this setting allows µTorrent to send an anonymous, non-private, randomly generated ID and the µTorrent version and build numbers, to the ÓUpdate ServerÔ in order to count the number using µTorrent.

Clear Private Data - Clicking this button will clear previously used paths, like the ÓAdd New TorrentÔ and ÓCreate New TorrentÔ dialogs.




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Advanced

Advanced Preference settings are not intended for the casual user. Unless the consequences are fully understood, Advanced settings, should not be modified. Advanced Preferences settings, have two types of editable "Values", Numerical and Logical (True & False). To change values, use the "Set" button. To return a value to the default setting, use the "Reset" button.


gui.compat_diropen - Enables a different directory open window for those having problems seeing directories with the default directory browser.

net.bind_ip - Makes µTorrent use a specific LAN adapter for incoming connections only. Specify the IP address of the adapter.

net.outgoing_ip - Makes µTorrent use a specific LAN adapter for all outgoing connections only. Specify the IP address of the adapter.

net.outgoing_port - Makes µTorrent use a single outgoing port. This should only be used in specific cases. This can be used with full cone NAT routers, to reduce the number of NAT table entries and thus, prevent crashes.

net.low_cpu - Reduces CPU use slightly. Unless the system is significantly slow, leave this setting off.

net.max_halfopen Ö The number of half-open (incomplete) connection attempts µTorrent will make at any one time. Windows Vista, Windows XP SP2 and Windows 2003 Server SP1 limit the maximum concurrent half-open connections (SYN) to a maximum of 10 (the previous limit was over 65,000). The drawback to this connection limit is, network intensive applications can be slowed, this includes Peer-to-Peer (P2P) clients like µTorrent.

Do not change this setting without first changing (patching) the TCPIP.SYS file, using the Event ID 4226 Patch.

To change the limit on maximum concurrent half-open connections, effectively editing the TCPIP.SYS file, use the Event ID 4226 Patch.

A complete guide can be found here:
Windows XP SP2 and the Event ID 4226 PatchWindows XP SP2 and Windows 2003 Server SP1Download Windows VistaDownload

To change the Ónet.max_halfopen" setting, enter the desired "Value" in the field provided and click "Set".

To truly optimize µTorrent, set the limit to 50 and use µTorrent normally; periodically check the Windows Event Viewer for
Event ID 4226 errors; if these errors are found, raise the limit by 50, continuing this process, until these errors are no longer logged.

To access the Windows Event Viewer, navigate to: ÓStartÔ > "Run" > Enter " eventvwr.msc " > Click "Ok"


net.wsaevents - Intended to address unusual firewall problems. Lower the value one by one to see if it makes any difference.

ipfilter.enable - Enables or disables the use of ipfilter.dat

You can ban certain IP ranges in µTorrent with "ipfilter.dat"

"ipfilter.dat" is a simple text file that specifies IP ranges to block.
The format is xxx.xxx.xxx.xxx - yyy.yyy.yyy.yyy
You can also use single IPs on a line (i.e. xxx.xxx.xxx.xxx).
Each new IP or IP range must be placed on a new line.

Download the latest blocklist from Bluetack at
http://www.bluetack.co.uk/config/nipfilter.dat.gzThis list is updated daily,
and contains all known Anti-P2P organizations, trackers and peers, as well as all known Goverment & Military IP addresses.
Once downloaded, extract and rename the file to "ipfilter.dat".

To make the list available to µTorrent, put it in the %AppData%uTorrent folder, found at:

C:\Documents and Settings\*User Name*\ApplicationData\uTorrent or Start > Run > %APPDATA%\uTorrent.

After placing the ipfilter.dat in this folder, set "ipfilter.enable" to "True", and click "Apply"

You can verify that the list has been loaded by looking under the "Logger" tab in µTorrent,
where you should see the line "Loaded ipfilter.dat (X entries)".
To reload ipfilter.dat without restarting µTorrent (1.7+ only), view the Peers tab, right click, and select "Reload IPFilter."



dht.rate - Control setting for DHT bandwidth. With automatic management (-1), µTorrent will limit DHT bandwidth based on the Max Upload Rate; this limit ranges from 512 to 8192. dht.rate uses your Max Upload Rate divided by 16 to determine this value, to improve DHT performance.

rss.update_interval - Sets the update interval for RSS. Values lower than 5 will be ignored, and remain at 5.

gui.update_rate - Sets the refresh interval for the GUI in ms; the minimum is 500ms.

gui.delete_to_trash - Sends deleted files to the recycle bin. This can also be enabled by right clicking on the remove toolbar icon and checking "Move to trash if possible."

gui.default_del_action - Sets the default remove action. This option should not be modified directly, and instead should be modified by right clicking the "Remove" toolbar icon while holding "Shift" and choosing the "Remove" option you want to be default.

gui.bypass_search_redirect - Sets µTorrent to search directly on the selected search engine rather than being redirected through http://search.utorrent.com.

queue.dont_count_slow_dl/ul - Forces µTorrent to not count torrents going less than 1KB/s up, or down towards the active torrents.

queue.prio_no_seeds - Prioritizes torrents that have no seeds when seeding.

bt.scrape_stopped - Enables or disables scraping the tracker for torrents that have been stopped (not queued).

bt.compact_allocation - Allows µTorrent to create files similar to the Python scripting method, to save space. Do not use this option with diskio.use_partfile. This option may not work properly. The associated error is "Element not found".

bt.enable_tracker - Enables or disables the embedded tracker. The tracker URL is http://your.ip:port/announce

bt.multiscrape - This turns on/off multi-scrape, which is sending multiple hashes per scrape. You should not have to change this option, since µTorrent automatically detects when a tracker doesn't support it.

bt.send_have_to_seed - Enabling this option sends a message to other seeds indicating how many pieces you currently have.

bt.set_sockbuf - A debugging option to auto detect the TCP buffer size (so_sndbuf) and adjust it based on the upload speed.

bt.connect_speed - Controls the number of connections per second µTorrent makes.

bt.prio_first_last_piece - Enabling this option prioritizes the first and last pieces of each file in a torrent.

bt.allow_same_ip - Allows multiple connections from the same IP. Generally this should not be used, since it weakens the anti-leech protection.

bt.no_connect_to_services - Disallows connecting to peers using a remote port of 25 or 110. This should only be used if you really, really want to keep your e-mail detection on in your anti-virus.

peer.lazy_bitfield - When enabled, µTorrent does not send the complete bitfield, but a sample of it, so as to prevent blocking of seeding.

peer.resolve_country - Makes µTorrent use a DNSBL service to determine a peer's country.

peer.disconnect_inactive - This enables or disables disconnecting from inactive peers after a set period of time (default being 5 minutes). However, it will NOT disconnect if the number of peers in the swarm is lower than the value set for maximum number of connections per torrent.

peer.disconnect_inactive_interval - Sets the time interval waited, before breaking an inactive connection. This value is interpreted in seconds and the default is 5 min. It is suggested that a higher value may result in greater connection stability.

peer.disconnect_inactive_interval = 600


diskio.flush_files - Enabling this option closes file handles every minute. This helps reduce the effect of Windows managing the system cache badly for some people and causing so-called "memory leaks".

diskio.sparse_files - Enabling this option allocates only the data that has been written. This option is only availabale to hard drives partitioned as NTFS (2k/XP/2003). This option will increase fragmentation, but save space while downloading.

diskio.use_partfile - This is used to store data that is downloaded from files that marked as "Do not download." This is necessary to prevent the file from being allocated and stores the parts of the files that come with a piece, since µTorrent must download and save the entire piece, which can include data for files you didn't want to download. Avoid using this in conjunction with compact allocation.

diskio.smart_hash - This makes µTorrent hash data from memory (if in the write queue), instead of flushing to disk, re-reading from disk, and then hashing. This should help reduce reads, especially at high speeds.

diskio.coalesce_writes - Tries to minimize the number of writes to disk, by writing more data at once. It doesn't have any effect at on download speed, but might increase memory and CPU usage to achieve less disk writes.






p



Disk Cache

The disk cache is used to keep frequently accessed data in memory, to reduce the number of ÓReads & WritesÔ to the hard drive.
µTorrent normally manages the cache automatically, but you may change its behavior by modifying these settings.


Disk Cache

Override automatic cache size and specify the size manually: - Enables the user to set a new maximum memory usage for the disk cache. Normally, µTorrent automatically adjusts the cache size based on current download speed.

Reduce memory usage when cache is not needed - Clears the disk cache when µTorrent is not transferring data.
This option should not be used if you wish to minimize disk access.


Advanced Cache Settings

Enable caching of disk writes - When enabled, µTorrent will decrease the frequency of disk writes, by storing data in memory before writing to disk.
This has the effect of decreasing the frequency of reads from disk.

Write out untouched blocks every 2 minutes - When enabled, µTorrent will write to disk, 16 KB blocks of data in memory,
that haven't been touched for 2 minutes. This option should not be used if you wish to minimize disk access.

Write out finished pieces immediately - When enabled, µTorrent will write a piece to disk once it is completed in memory.
This option should not be used if you wish to minimize disk access.


Enable caching of disk reads - When enabled, µTorrent will use the disk cache to store frequently read data into memory, from disk.
This has the effect of decreasing the frequency of reads from disk.

Turn off read caching if the upload speed is slow - When enabled, µTorrent will disable read caching, if upload speed is below 40 KB/s.
This lowers memory usage when the cache is not needed. This option should not be used if you wish to minimize disk access.

Remove old blocks from the cache - When enabled, µTorrent will remove chunks of read cache data, from memory if they have not been
accessed for 10 minutes. This option should not be used if you wish to minimize disk access.

Increase automatic cache size when cache thrashing - When enabled, µTorrent will increase the cache size, when the ÓReadsÔ from disk
increase (most often due to increased upload speeds). If you override the automatic cache size, this option is not needed.





User Interface


Actions for Double Click

For seeding torrents: - This setting enables the user to select the action that µTorrent takes, when double-clicking a seeding torrent,
in the Main µTorrent program window.

For downloading torrents: - This setting enables the user to select the action that µTorrent takes, when double-clicking a downloading torrent,
in the Main µTorrent program window.

The following options can be set from the "Drop Down" menu.

Show Properties - The ÓTorrent PropertiesÔ window will open.
Start / Stop - Changes the condition of the double-clicked torrent (either Start or Stop).
Open Folder - Opens the ÓContaining FolderÔ of the double-clicked torrent.
Show Download Bar - Displays a torrent information bar ÓAlways on topÔ, on the Desktop.
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Speed Popup List

Override automatic speed popup list - When enabled, the user can define the lists, of speeds displayed, when ÓRight-ClickingÔ
the corresponding item on the status bar, in the Main µTorrent program window. If left unchecked, µTorrent will automatically generate a list,
based on the current limit.

Upload speed list - The user defined ÓUpload SpeedÔ list. Each value (in kB/s) must be separated with a comma;
no spaces should be used. Ó-1Ô adds a separator to the list. Zero Ó0Ô adds ÓUnlimitedÔ.
Any other positive value is interpreted normally (as that value).

Download speed list - The user defined ÓDownload SpeedÔ list. Each value (in kB/s) must be separated with a comma;
no spaces should be used. Ó-1Ô adds a separator to the list. Zero Ó0Ô adds ÓUnlimitedÔ.
Any other positive value is interpreted normally (as that value).


Persistent Labels

Enables the user to specify a permanent label regardless of the number of torrents, which are actually using that label.
Multiple persistent labels may be entered, but must be separated with a Ó | Ô (vertical pipe). Persistent labels are given higher priority
than normal labels in the category list, so correspondingly, they are displayed above their normal counterparts.


Search Engines

Clicking the µTorrent ÓSearch ButtonÔ displays a drop down menu allowing the user to select a search engine, from this list.
To search, type the query into the ÓSearch FieldÔ, click the Search Button to choose the desired site and press ÓEnterÔ on the keyboard.
The µTorrent built-in Search facility will open a window or tab, in the default browser, and display the desired search.

# The search engine text area, allows the user to edit the list of search engines used for the built-in torrent search.

# Blank lines are displayed as separators in the search engine menu.

# The search button and search field will be hidden if the search engine list is empty.

# Search engines may be added, but must be entered in the following format.



Search Engine Format:
Name| http://Domain/path?Search=



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Web UI

µTorrent can be use remotely from any computer, via the µTorrent Web UI (User Interface) and a web browser, through the port designated for BitTorrent transfers. Not every feature is available to the Web UI, but most are accessible including, ÓAddÔ by either uploading a .torrent file, or by entering the torrent URL, ÓStartÔ, ÓStopÔ, ÓRemoveÔ and changing bandwidth settings.

To use the µTorrent Web UI the file Ówebui.zipÔ must be placed Óas isÔ (still zipped) in the same folder as µTorrent's Ósettings.datÔ file, by default at:

C:\Documents and Settings\*User Account*\Application Data\µTorrent

The file Ówebui.zipÔ can be downloaded
Download Here; included in the Ówebui_v0.310_beta_2.rarÔ download, are webui.zip, µTorrent.exe and additional instructions.

Once enabled and properly setup, the µTorrent Web UI can be accessed using the systemÒs IP address and µTorrent listening port.
From a remote location simply open the web browser and enter in the address bar "
[url]http://home/[/url]System IP: Port/gui/Ó
i.e.
http://123.456.78.90:52000/gui/ If you use a dynamic DNS Service, your domain may be used instead of the IP address.


Enable Web Interface - When enabled the µTorrnet Web UI will be available for remote use.


Authentication

Username - Enables the use of a specific ÓUsernameÔ with which to log in from a remote location, adding an additional layer of security.
The default is ÓAdminÔ.

Password - Used to define a "Password" for the specificied ÓUsernameÔ. This field may be left blank if a password is not desired.

Enable Guest account with username: - When enabled the ÓGuest AccountÔ is activated. When enabled, a ÓUsernameÔ for the ÓGuest AccountÔ must be specified. A ÓGuestÔ may view (but not edit) the torrents currently in µTorrent.


Connectivity


Alternative listening port (default is the bittorrent port): - When enabled, the user can set a port specific to Web UI requests; this option is especially valuable when using ÓRandomize port each time µTorrent startsÔ. The "Alternative" listening port must be forwarded manually, even if ÓUPnPÔ is used to forward the normal µTorrent port. If left disabled, µTorrent will serve the Web UI over the normal listening port.

Restrict access to the following IPs (Separate multiple entries with ,): - Allows the user to limit the IPs which can connect to the web interface. Multiple IPs may be specified, but must be separated by commas. IP ranges may be set using ÓClassless Inter-Domain RoutingÔ (CIDR) notation; i.e. "xxx.xxx.xxx.xxx/n" where [xxx.xxx.xxx.xxx] is the IP Address and [n] is the number of (left most) '1' bits in the mask.
BHM avatar
Posted: Fri Jan 08, 2010 22:29
Author:
EXCELLENT ghost well done mate...
aSBo avatar
Posted: Sat Jan 09, 2010 00:25
Author: Site FriendKitty
Ghostman this is a really good comprehensive guide thank you :)
mEtH avatar
Posted: Sat Jan 09, 2010 00:32
Author:
great job Ghostman
Big_A_Little_A avatar
Posted: Sat Jan 09, 2010 01:08
Author: Site FriendSupermanimmortal
Great guide,many thanks for taking the time to put this together.
EMUworld avatar
Posted: Sat Jan 09, 2010 09:02
Author:
Awesome work by ghostman...
Keep that up m8..
ET appreciates that..

Njoy
msmsm avatar
Posted: Sat Jan 09, 2010 10:05
Author:
Ghostman i thought i knew Utorrent pretty well.
By this awesome guide that you have created I can step it up a Knotch
Thanks Dude
cyberartist avatar
Posted: Wed Mar 03, 2010 11:41
Author:
Thanks Ghostman - for taking the time to put all of this together - much appreciated.
Xclusive666 avatar
Posted: Wed Mar 03, 2010 14:50
Author: Blocked
Now thats what i call detailed thx gman
maddi avatar
Posted: Sun Mar 21, 2010 16:51
Author:
thanks man but i have windows 7 some things are good
lets c wat happens
No avatar
Posted: Thu Mar 25, 2010 20:28
Author:
thanx excellent tutorial
amysss312 avatar
Posted: Sun Mar 28, 2010 14:47
Author:
Thanks ghostman
katie22 avatar
Posted: Mon May 10, 2010 03:30
Author: Kitty
thanks vey much lets see if i can get a move on now with these down
loads thanks again.
savlon3 avatar
Posted: Fri May 28, 2010 20:08
Author:
ok my friends i have followed these settings over and over and all i can get is36kb/s but one time by the way i have it went to 200kb/ but just for a second or so and then droped like a stone, i was in shock when i seen it go to 200kb/s on this site as i can get 400 kb/s in other private sites or one i might add as i dont wonder around much, but this site is good if ownly i could get the speed lol as i said before i did get good speed in one download and it was a long time ago , but up to now the speed sucks. lol by the way i have pro xpn running but its not a problem elswere, could it be a problem here , my isp speed is 6meg at the moment so my download speed should be faster.
cuteguy avatar
Posted: Wed Nov 17, 2010 01:36
Author:
thanks ghostman
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