Microsoft KB Archive/269803

= MSMQ Service Shows 100 Percent CPU Usage at Startup =

Article ID: 269803

Article Last Modified on 10/12/2005

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APPLIES TO


 * Microsoft Message Queue Server 1.0

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This article was previously published under Q269803



SYMPTOMS
When you use Performance Monitor in Microsoft Windows NT 4.0 to track CPU usage, it reports that Microsoft Message Queue Service (MSMQ) is using 100 percent of CPU resources at startup.



CAUSE
When target journaling is enabled, and messages that were sent using a Direct=TCP format name are received, a copy of the message is placed in the journal for the target queue. Upon restart, the local Queue Manager sees these messages as not being local and attempts to send them to itself (because of the TCP/IP address). This can either result in an fatal exception error or cause CPU usage to go to 100 percent.



RESOLUTION
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows NT 4.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. 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/contactus/?ws=support

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 typical 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 should have the following file attributes or later:

Date        Time      Version    Size       File name -- 07/16/2000  07:43AM   310        227,088    Mqis.dll 07/16/2000  07:43AM   310        504,080    Mqqm.dll 07/16/2000  07:43AM   310        106,768    Mqutil.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: MSMQ 100 blue screen journal direct

Keywords: kbqfe kbprb kbhotfixserver KB269803

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