Microsoft KB Archive/162404

= Service Pack 5 Breaks Microsoft Mail Shared Using FPNW =

Article ID: 162404

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft File and Print Services for Netware 3.51
 * Microsoft File and Print Services for NetWare 4.0

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This article was previously published under Q162404



IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information on how to do this, view the "Restoring the Registry" online Help topic in Regedit.exe or the "Restoring a Registry Key" online Help topic in Regedt32.exe.



SYMPTOMS
After you apply Service Pack 5 for Windows NT 3.51 or upgrading to Windows NT 4.0 and FPNW for 4.0, any Microsoft Mail postoffices that are shared using File and Print Services for NetWare (FPNW) may experience errors. External.exe may log an error [012] when delivering mail to the postoffice. Dirsync.exe may not run automatically, and may generate warning [154]. When you perform a manual DirSync, the postoffice will receive updates but will not send any updates to other postoffices.



CAUSE
A problem was introduced while attempting to improve an OS/2 file-date issue.



RESOLUTION
WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" online Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" online Help topics in Regedt32.exe. Note that you should back up the registry before you edit it.
 * 1) Run Registry Editor (Regedt32.exe) and locate the following subkey:


 * 1) From the Edit menu, click Add Value.
 * 2) Type the name of the value as MaxCachedOpenFiles.
 * 3) Set the type to REG_DWORD and enter 0 (zero) for the value.



STATUS
Microsoft has confirmed this to be a problem in Windows NT versions 3.51. A supported fix is now available, but is not fully regression tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This fix is now available in the latest U.S. Service Pack for Windows NT version 4.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: FPNW

Keywords: kbbug kbnetwork KB162404

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