Article ID: 821653 - View products that this article applies to.
Microsoft Message Queuing (also known as MSMQ) messages may not be sent if both of the following conditions are true:
This problem occurs because a buffer that was passed in a call to NetUserGetGroups was too small for users in many groups.
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 telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote 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. The English version of this fix 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 -------------------------------------------------------------- 28-May-2003 22:39 220.127.116.11 630,832 Windows2000-kb821653-x86-enu-symbols.exe 28-May-2003 22:39 18.104.22.168 987,184 Windows2000-kb821653-x86-enu.exe 28-May-2003 20:52 22.214.171.1246 281,360 Mq1repl.dll 04-Feb-2003 15:51 126.96.36.1996 14,096 Mq1sync.exe 26-Mar-2003 16:27 188.8.131.524 75,536 Mqac.sys 28-May-2003 20:52 184.108.40.2063 217,360 Mqads.dll 30-Oct-2002 16:43 220.127.116.111 25,360 Mqbkup.exe 28-May-2003 20:52 18.104.22.1680 76,560 Mqdscli.dll 28-May-2003 20:52 22.214.171.1243 42,256 Mqdssrv.dll 21-Oct-2002 20:31 126.96.36.1999 98,064 Mqmig.exe 28-May-2003 20:52 188.8.131.529 265,488 Mqmigrat.dll 28-May-2003 20:52 184.108.40.2060 222,480 Mqoa.dll 28-May-2003 20:52 220.127.116.112 8,464 Mqperf.dll 28-May-2003 20:52 18.104.22.1687 428,304 Mqqm.dll 28-May-2003 20:52 22.214.171.1246 102,672 Mqrt.dll 28-May-2003 20:52 126.96.36.1996 70,928 Mqsec.dll 28-May-2003 20:52 188.8.131.529 400,656 Mqsnap.dll 28-May-2003 20:52 184.108.40.2062 23,824 Mqupgrd.dll 28-May-2003 20:52 220.127.116.117 110,352 Mqutil.dll 28-May-2003 20:52 18.104.22.1688 64,784 Msmq.cpl
To work around this problem, reduce the number of groups to which the user belongs.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
If Message Queuing logging is enabled, the following information is logged in the Message Queuing log:For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/816915/EN-US/ )New Naming Schema for Microsoft Windows Hotfix Packages