Microsoft KB Archive/136377

= Invalid RawWorkItems Calculated on Some MP Computers =

Article ID: 136377

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q136377





SYMPTOMS
On an x86-based multiprocessor (MP) computer with an odd number of processors and 512 megabytes or more of RAM, the following error message appears when you the Server process starts:

Insufficient Resources



CAUSE
There is an integer divide problem when calculating the initial number of raw mode work items. The server is trying to create more than the configured maximum allowed for raw mode work items. This error only occurs on multiprocessor x86 systems with 512 megabytes or more of RAM and an odd number of processors.



WORKAROUND
To work around this problem:

WARNING: Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to reinstall Windows NT to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk.


 * 1) Run Registry Editor (REGEDT32.EXE).
 * 2) From the HKEY_LOCAL_MACHINE subtree, go to the following key:

\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
 * 1) From the Edit menu choose Add Value.
 * 2) Add the following:

Value Name: MaxWorkItems

Data Type: REG_DWORD

Data: 100

Radiux: Decimal

NOTE: MaxWorkItems has a valid range of 1 to 512.



STATUS
Microsoft has confirmed this to be a problem Windows NT version 3.51. We are researching this problem and will post new information in the Microsoft Knowledge Base as it becomes available.

Additional query words: prodnt 3.51 multi processor mp

Keywords: KB136377

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