Reboot Coordinator prevents a System Center Configuration Manager 2007 Service Pack 1-based client computer from restarting because it incorrectly concludes that a job is running

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Article ID: 970635 - View products that this article applies to.
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SYMPTOMS

System Center Configuration Manager 2007 Service Pack 1 (SP1) will not restart the client computer automatically. It prevents pending important updates from being installed successfully on these computers.

More investigation indicates that the value of the following registry key is greater than 0 on the affected client computers:
HKEY_LOCAL_MACHINE\Software\Microsoft\Sms\Mobile Client\Reboot Management\JobCounter

CAUSE

Under very specific conditions, the persistent job counter is not decremented when a job is finished. The coordinating system prevents these client computers from being restarted because it believes that a job is still running based on the JobCounter value.

RESOLUTION

Service Pack Information

To resolve this problem, obtain the latest service pack for Microsoft System Center Configuration Manager 2007, available from this Microsoft web site: http://www.microsoft.com/downloads/details.aspx?FamilyID=3318741a-c038-4ab1-852a-e9c13f8a8140
For a list of issues resolved in this service pack, click on the following article number in the Microsoft Knowledgebase:
971348 List of hotfixes and updates that are contained in System Center Configuration Manager 2007 Service Pack 2

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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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.

Prerequisites

To apply this hotfix, you must have System Center Configuration Manager 2007 Service Pack 1 installed on the site server.

To resolve the problem, deploy hotfix 970635 to all System Center Configuration Manager 2007 SP1 client computers.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows


Note The fix prevents the issue from reoccurring. However, you have to follow these steps to resolve problems on all affected client computers:
  1. Stop the SMS Agent Host (CcmExec.exe) service on a System Center Configuration Manager 2007 SP1 client computer.
  2. Location the following registry subkey and change its value to 0:
    HKEY_LOCAL_MACHINE\Software\Microsoft\Sms\Mobile Client\Reboot Management\JobCounter
  3. Start the SMS Agent Host (ccmExec.exe) service on the client computer.

Restart Requirement

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

Hotfix Replacement Information

This hotfix does not replace a previously released 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.
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File nameFile versionFile sizeDateTimePlatform
Execmgr.dll4.0.6221.1177490,85601-Dec-200801:20x86
Mp.msiNot Applicable9,237,50401-Dec-200812:30Not Applicable
Rebootcoord.dll4.0.6221.1177144,23201-Dec-200801:20x86
Sccm2007ac-sp1-kb970635-x86.mspNot Applicable2,925,56801-Dec-200813:20Not Applicable

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 970635 - Last Review: July 24, 2009 - Revision: 1.2
APPLIES TO
  • Microsoft System Center Configuration Manager 2007
Keywords: 
kbautohotfix kbexpertiseinter kbsurveynew kbbug kbfix kbhotfixserver kbqfe kbpubtypekc KB970635

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