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"Stop Error IRQL_NOT_LESS_OR_EQUAL (0xA)" error message when you run Windows 2000 Server on a computer that has multiple processorsArticle ID: 892045 - View products that this article applies to. On This PageSYMPTOMSWhen you run Microsoft Windows 2000 Server on a computer that has multiple processors, you receive the following error message: Stop Error IRQL_NOT_LESS_OR_EQUAL (0xA) CAUSEThis problem occurs when the Cache Manager SHARED_CACHE_MAP structure is corrupted on the Windows 2000 Server-based computer. Note SHARED_CACHE_MAP is the data structure that is used by the Cache Manager to track the state of individual cached regions of the file. The Windows 2000 Cache Manager has a small timing window. Therefore, when the Windows 2000 Cache Manager maintains lots of data in memory, some linked lists in memory that are managed by the Windows 2000 Cache Manager may become temporarily corrupted. In this case, an access violation may occur around CcAcquireByteRangeForWrite+0x390. RESOLUTION A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: http://support.microsoft.com/contactus/?ws=support Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
(http://support.microsoft.com/contactus/?ws=support)
PrerequisitesNo prerequisites are required.Restart requirementYou must restart your computer after you apply this hotfix.File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. Date Time Version Size File name -------------------------------------------------------------- 10-Feb-2004 19:47 5.0.2195.6897 30,160 Mountmgr.sys 12-Jan-2005 06:42 5.0.2195.7020 1,713,024 Ntkrnlmp.exe 12-Jan-2005 06:42 5.0.2195.7020 1,712,192 Ntkrnlpa.exe 12-Jan-2005 06:42 5.0.2195.7020 1,734,464 Ntkrpamp.exe 12-Jan-2005 06:41 5.0.2195.7020 1,689,216 Ntoskrnl.exe STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. MORE INFORMATION
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/824684/
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Description of the standard terminology that is used to describe Microsoft software updates
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