The MOM service may use 100 percent of CPU operations and the MOM service may stop responding on a MOM 2005 agent-managed computer

On a Microsoft Operations Manager (MOM) 2005 agent-managed computer, the MOM service may use 100 percent of CPU operations. When this problem occurs, the MOM service may stop responding. Additionally, you may experience the following symptoms:

• The MOM agent no longer processes events, performance data, and alerts.
• The heartbeat for the MOM agent is delayed.

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. 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: 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

You must apply this hotfix on each computer that meets either of the following conditions:

• The computer hosts a MOM 2005 Management Server Service Pack 1 (SP1).
• The computer hosts a manually installed MOM 2005 agent Service Pack 1 (SP1).

Restart requirement

You must restart the MOM service after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.

Installation instructions

To apply this hotfix, follow these steps:

1. Copy the MOM2005-SP1-KB932767-X86-IA64-ENU.MSI file to a local folder or to a shared folder on the network. If you use a shared folder, make sure that the computers that require this hotfix can access the folder.
2. Log on to one of the computers that require this hotfix by using administrative credentials.
3. Run the MOM2005-SP1-KB932767-X86-IA64-ENU.MSI file. (You can run the file at a command prompt, or you can run the file by using Windows Explorer.)
4. Repeat steps 2 and 3 on each computer that requires this hotfix.

To apply this hotfix in your MOM environment, follow these steps.

MOM 2005 servers

Manually apply this hotfix to each MOM 2005 server in your MOM management groups.

MOM 2005 agents

To apply this hotfix to the MOM 2005 agent component, use one of the following methods, depending on the situation.

• Use the MOM 2005 Administrator console to apply this hotfix to each MOM 2005 agent whose control level is set to "Full." A list of the MOM 2005 agents that can be automatically updated appears in the Microsoft Operations Manager ServerName\Administration\Computers\Pending Actions folder.
• Manually apply this hotfix to each MOM 2005 agent whose control level is set to "None." A list of these agents appears in the Microsoft Operations Manager ServerName\Administration\Computers\Agent-managed Computers folder.
• To apply this hotfix to MOM 2005 agents whose control level is set to "Full" when the agents were manually installed after this hotfix was applied to the server, use one of the following methods:
  • Manually apply the hotfix to each MOM 2005 agent.
  • Use the MOM 2005 server to apply this hotfix. To do this, follow these steps:
    1. Use the Pending Actions folder in the MOM 2005 Administrator console to make sure that the manual installation of the MOM 2005 agents is approved.
    2. Click the Agent-managed Computers folder in the MOM 2005 Administrator console, right-click the MOM 2005 agent in the details pane, and then click Update Agent Settings.

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

For more information about the terms that are used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base: