Article ID: 232271 - Last Review: September 30, 2007 - Revision: 2.2

How to Optimize Windows NT Server Using the Registry

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This article was previously published under Q232271
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986  (http://support.microsoft.com/kb/256986/EN-US/ ) Description of the Microsoft Windows Registry
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SUMMARY

This article describes procedures for manually configuring the server service.

There may be times when it is necessary to configure the server service during a scripted, or unattended install.
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MORE INFORMATION

To configure the Server service, follow these steps:
  1. In Control Panel, double-click Network.
  2. On the Services tab, click the Server service, and then click Properties.
  3. There are four configuration options for the Server service listed here:
    1. Minimize Memory Used
    2. Balance
    3. Maximize Throughput for File Sharing
    4. Maximize Throughput for Network Applications
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.


When you configure one of the four options for the Server service, the information is saved to the following two registry keys:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\size
Your choices for this registry key are 1,2 and 3.
1 = Minimize Memory Used
2 = Balance
3 = Maximize Throughput for File Sharing and Maximize Throughput for Network Applications
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache

Your choices for this registry key are 0 and 1.
1 = Maximize Throughput for File Sharing
0 = Maximize Throughput for Network Applications
Some programs, such as SQL and Exchange, set this value during an installation. For these programs, the optimal setting is 0.
0 = Indicates that the computer does not go outside its cache pool and use program memory to perform I/O functions.

1 = Indicates that the computer looks outside of its cache pool and uses program memory to perform I/O functions. This occurs if the cache is full.

The Windows NT 4.0 Resource Kit contains a tool called Regini.exe, which can be used to script changes to the registry. For information about this tool, please refer to the Regini.doc file or type regini /? at the command prompt.
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REFERENCES

For more information, please see the Windows NT 4.0 Resource Kit or the Windows NT Deployment Guide.
http://www.microsoft.com/downloads/details.aspx?FamilyID=3e972e9a-e08a-49a2-9d3a-c0519479e85a (http://www.microsoft.com/downloads/details.aspx?FamilyID=3e972e9a-e08a-49a2-9d3a-c0519479e85a)
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APPLIES TO
  • Microsoft Windows NT Server 4.0 Standard Edition
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Keywords: 
kbenv kbinfo kbsetup KB232271
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