Events 26009, 26021, and 22062 occur in the Application log and MOM 2005 agents cannot communicate with the MOM 2005 Management Server (902447)

RESOLUTION

Hotfix information

This hotfix is included in hotfix 906858. No separate hotfix exists for this issue. If you experience this problem, apply the hotfix that is described in the following Microsoft Knowledge Base article: 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 Microsoft Operations Manager 2005 service pack that contains this hotfix.

To resolve this problem immediately, 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: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 usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

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

• The computer hosts a MOM Management Server.
• The computer hosts a manually installed MOM 2005 agent.

Restart requirement

You do not have to restart the computer after you apply this hotfix. However, this hotfix restarts the MOM service.

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.

MOM 2005

File name	File version	File size	Date	Time	Platform
Mom2005-rtm-kb906858-x86-ia64-enu.msi	Not Applicable	4,090,368	15-Nov-2005	17:31	Not Applicable
Momactions.dll	5.0.2749.28	892,928	03-Nov-2005	17:17	x86
Momdbconnector.dll	5.0.2749.28	1,524,224	03-Nov-2005	17:17	x86
Momengine.dll	5.0.2749.28	1,624,064	03-Nov-2005	17:17	x86
Momengine.tlb	Not Applicable	1,784	13-Aug-2004	11:43	Not Applicable
Momforwardingconnector.dll	5.0.2749.28	355,840	03-Nov-2005	17:17	x86
Momhost.exe	5.0.2749.28	54,272	03-Nov-2005	17:17	x86

MOM 2005 with Service Pack 1

File name	File version	File size	Date	Time	Platform	SP requirement
Mom2005-sp1-kb906858-x86-ia64-enu.msi	Not Applicable	1,399,808	13-Dec-2005	14:49	Not Applicable	SP1
Momactions.dll	5.0.2911.1	900,336	02-Dec-2005	12:59	x86	SP1

Installation instructions

To install this hotfix, follow these steps:

1. Copy the MOM2005-RTM-KB906858-X86-ENU.MSI file to a local folder or to a network shared folder. If you use a network shared folder, make sure that you can access the folder from the computers that require this hotfix.
2. Log on as an administrator to one of the computers that requires this hotfix.
3. Run MOM2005-RTM-KB906858-X86-ENU.MSI on each computer that meets the predefined criteria. 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 install this hotfix in your MOM environment:

1. Manually install this hotfix to each MOM 2005 server in your MOM management groups.
2. To install this hotfix for the MOM 2005 agent component, use the following methods:
   • Use the MOM 2005 Administrator Console to install this hotfix to MOM 2005 agents with Control Level = Full. The list of the MOM 2005 agents that can be automatically updated is shown in the Microsoft Operations Manager (ServerName)\Administration\Computers\Pending Actions folder.
   • Manually install this hotfix on each MOM 2005 agent that is set with Control Level = None. These agents are listed in the Microsoft Operations Manager (ServerName)\Administration\Computers\Agent-managed Computers folder.
   • For MOM 2005 agents that were manually installed with Control Level = Full after this hotfix was installed to the MOM 2005 server, use one of these methods. Either manually install the hotfix to the MOM 2005 agents or follow these steps to use the MOM 2005 server to install this hotfix:
     1. Make sure that the manual installation of the MOM 2005 agents is approved through the Pending Actions folder in the MOM 2005 Administrator Console.
     2. Click the Agent-managed Computers folder in the MOM 2005 Administrator Console, right-click the MOM 2005 agent in the right pane, and then click Update Agent Settings.