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Server service configuration and tuning

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article was previously published under Q128167
For a Microsoft Windows XP version of this article, see 314498.
SUMMARY
Although the Windows Server service is self-tuning, it can be also beconfigured manually through Control Panel Service. Normally, the serverconfiguration parameters are auto-configured (calculated and set) each timeyou boot Windows. However, if you run NET CONFIG SERVER in conjunctionwith the /AUTODISCONNECT, /SERVCOMMENT OR /HIDDEN switches the currentvalues for the automatically tuned parameters are displayed and written tothe registry. Once these parameters are written to the registry, you cannottune the Server service using Control Panel Networks.

If you add or remove system memory, or change the server size settingminimize/balance/maximize), Windows does not automatically tune theServer service for your new configuration. For example, if you run NETCONFIG SRV /SRVCOMMENT, and then add more memory to the computer, Windows does not increase the calculated value of autotuned entries.

Typing NET CONFIG SERVER at the cmd prompt without additional parametersleaves auto tuning intact while displaying useful configuration informationabout the server.
MORE INFORMATION
The Server service supports information levels that let you set eachparameter individually. For example, the command NET CONFIG SRV /HIDDENuses information level 1016 to set just the hidden parameter. However,NET.EXE queries and sets information levels 102 (hidden, comment, users,and disc parameters) and 502. As a result, all parameters in theinformation level get permanently set in the Registry. SRVMGR.EXE and theControl Panel Server query and set only level 102 (not level 502) when youchange the server comment.

Administrators wishing to hide Windows computers from the browse list or changethe autodisconnect value should make those specific changes usingREGEDT32.EXE instead of the command line equivalents discussed above. Theserver comment can be edited using the description field of the ControlPanel Server applet or Server Manager.
RESOLUTION
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows

To restore the LAN Manager Server parameters to the defaults, or toreconfigure Windows so that it auto-configures the Server service:
  1. Run Registry Editor (REGEDT32.EXE).
  2. From the HKEY_LOCAL_MACHINE subtree, go to the following key:
    \SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
  3. Remove all entries except the following:
    EnableSharedNetDrives
    Lmannounce
    NullSessionPipes
    NullSessionShares
    Size
    Note You may have other entries here that are statically coded. Do not remove these entries.
  4. Quit Registry Editor and restart Windows.
prodnt 3.10 auto configure tune tuned tuning
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Article ID: 128167 - Last Review: 02/25/2009 05:35:37 - Revision: 4.0

Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Professional Edition, Microsoft Windows 2000 Datacenter Server, Microsoft Windows NT Advanced Server 3.1, Microsoft Windows NT Server 3.5, Microsoft Windows NT Server 3.51, Microsoft Windows NT Server 4.0 Standard Edition, Microsoft Windows NT Workstation 3.1, Microsoft Windows NT Workstation 3.5, Microsoft Windows NT Workstation 3.51, Microsoft Windows NT Workstation 4.0 Developer Edition, Microsoft Windows NT Advanced Server 3.1, Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Standard Edition (32-bit x86), Windows Server 2008 Datacenter, Windows Server 2008 Enterprise, Windows Server 2008 Standard

  • KB128167
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