Registry Guide for Windows Registry Guide for Windows
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Registry tweaks, tricks & hacks to optimize, enhance and secure Microsoft Windows.

Increase Network Performance and Throughput (Windows NT/2000)
Category: Home > Network

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If you increase the number of buffers that the redirector reserves for network performance, it may increase your network throughput. Each extra execution thread that you configure will take 1k of additional nonpaged pool memory, but only if your applications actually use them.

Open your registry and find the key below.

Create new DWORD values, or modify the existing values, called:

'MaxCmds' The range is 0 - 255 and the default is 15

'MaxThreads' Set it to the same value as MaxCmds

You may also want to increase the value of 'MaxCollectionCount'. This value represents the buffer for character-mode named pipes writes. The default is 16 and the range is 0 - 65535.

Registry Editor Example
|NameTypeData|
|(Default)REG_SZ(value not set)|
|MaxCmdsREG_DWORD0x0000001e (30)|
|MaxThreadsREG_DWORD0x0000001e (30)|
|MaxCollectionCountREG_DWORD0x00000020 (32)|
-
|HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\P...|
-

Settings:
System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\
Parameters]
Type: REG_DWORD (DWORD Value)

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last Modified: May 17, 2003

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