"Access Violation in mqsvc" error message when you start your Windows 2000-based computer

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When you try to start your computer, you receive the following error message:
Access Violation in mqsvc
This problem may occur when your computer is low on resources.

Hotfix information

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: 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.


No prerequisites are required.

Restart requirement

You do not have to restart your computer after you apply this hotfix.

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   --------------------------------------------------------------   12-Nov-2003  09:44         282,384  Mq1repl.dll         12-Nov-2003  09:30          14,096  Mq1sync.exe         02-Oct-2003  12:21          76,016  Mqac.sys   12-Nov-2003  09:44         217,360  Mqads.dll           20-Sep-2003  10:23          25,360  Mqbkup.exe          12-Nov-2003  09:44          76,560  Mqdscli.dll         12-Nov-2003  09:44          42,256  Mqdssrv.dll         20-Sep-2003  10:23          98,064  Mqmig.exe           12-Nov-2003  09:44         265,488  Mqmigrat.dll        12-Nov-2003  09:44         222,480  Mqoa.dll            12-Nov-2003  09:44          10,000  Mqperf.dll          12-Nov-2003  09:44         433,936  Mqqm.dll            12-Nov-2003  09:44         102,672  Mqrt.dll            12-Nov-2003  09:44          70,928  Mqsec.dll           12-Nov-2003  09:44         400,656  Mqsnap.dll          12-Nov-2003  09:44          23,824  Mqupgrd.dll         12-Nov-2003  09:44         110,864  Mqutil.dll          12-Nov-2003  09:44          64,784  Msmq.cpl
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.
For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages
824684 Description of the standard terminology that is used to describe Microsoft software updates

Article ID: 831742 - Last Review: 10/26/2013 20:14:52 - Revision: 2.5

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Advanced Server
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