Microsoft KB Archive/841827

= Stop error 0x0000000a occurs on a computer that is running Windows NT Server 4.0 Terminal Server Edition SP6a =

Article ID: 841827

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition Service Pack 6

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SYMPTOMS
A computer that is running Microsoft Windows NT Server 4.0 Terminal Server Edition Service Pack 6a (SP6a) may stop unexpectedly. You may receive an error message that is similar to the following:

STOP: 0x0000000a (00000063,0000001c,00000000,8011baae) IRQL_NOT_LESS_OR_EQUAL



CAUSE
This problem may occur if the following conditions are true:
 * A thread is performing drive letter mappings.
 * The thread uses the MupCreate function of the Multiple UNC Provider (MUP).
 * The thread holds the MupPrefixTableLock when the thread exits.



MORE INFORMATION
The MUP is a Windows service that helps locate network resources that are identified by the UNC (uniform naming convention). The MUP receives commands that contain UNC names from programs and sends the names to each registered UNC provider, to each LAN Manager workstation, and to any other providers that are installed. When a provider identifies a UNC name as its own, the MUP automatically redirects future instances of that name to that provider.



Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. 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/default.aspx?scid=fh;[LN;CNTACTMS]

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 usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.

File information
The English version of this hotfix has the file attributes (or later) 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 ---  04-May-2004  15:29  4.0.1381.33564  81,808  Mup.sys



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbqfe kbhotfixserver kbfix kbbug KB841827

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