Microsoft KB Archive/312987

= Some Write Operations May Seem Slow When You Use Windows Services for UNIX 2.2 =

Article ID: 312987

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows Services for Unix 2.2

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This article was previously published under Q312987



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 Description of the Microsoft Windows Registry



SYMPTOMS
Some write operations may seem slow when you use Windows Services for UNIX 2.2.



RESOLUTION
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.

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows Services for UNIX service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English-language version of this fix should have the following file attributes or later:   Date         Time   Version        Size     File name --  03-Dec-2001  16:16  5.3000.2073.6  265,824  Nfssvr.sys

To add the WriteHandleCacheSizePerVolume value to the registry:  Click Start, click Run, type regedit32 in the Open box, and then press ENTER. Locate and click the following registry key:

HKEY_LOCAL_MACHINE\CurrentControlSet\Services\Nfssvr\Parameters

 Click Add Value on the Edit menu, and then add the following registry value:

Value name: WriteHandleCacheSizePerVolume

Data type: REG_DWORD

Radix: Decimal

Value: The number of write cache handles to be cached per volume. The default value is 64.

 Quit Registry Editor.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: sfu

Keywords: kbhotfixserver kbqfe kbenv kbprb kbqfe KB312987

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