OALGen is running on the wrong CCR cluster node
Topic Last Modified: 2007-11-16
The Microsoft Exchange Server 2007 Management Pack for Operations Manager monitors the Windows Application log on computers that are running Exchange Server 2007 and generates this alert when the event or events specified in the following Details table are logged.
To learn more about this alert, if you are using Microsoft Operations Manager 2005, do one or more of the following:
From the Operator Console, select this alert, and then click the Properties tab. Review the description of the alert that includes the variables specific to your environment.
From the Operator Console, click the Events tab, and then double-click the event in the list for which you want to review the event description. Review the events that have been logged that meet the criteria of this Operations Manager alert.
To learn more about this alert, if you are using System Center Operations Manager 2007, do one or more of the following:
From the Operations Console, double-click this alert, and then click the General tab. Review the description of the alert that includes the variables specific to your environment.
From the Operations Console, double-click this alert, and then click the Alert Context tab. Review the events that have been logged that meet the criteria of this Operations Manager alert.
Details
Product Name |
Exchange |
Product Version |
8.0 (Exchange Server 2007) |
Event ID |
9395 |
Event Source |
MSExchangeSA |
Alert Type |
Warning |
MOM Rule Path |
Microsoft Exchange Server/Exchange 2007/Mailbox/System Attendant |
MOM Rule Name |
OALGen is running on the wrong CCR cluster node. Only one node in the CCR cluster can generate OAB. OAB generation will not be performed. |
Explanation
This Warning event indicates that the Microsoft Exchange System Attendant service is running on an active cluster continuous replication (CCR) node, but the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeSA\Parameters\{ClusterMailboxServerName}\ EnableOabGenOnThisNode registry value is not set to this node name.
User Action
To resolve this Warning event, verify your cluster configuration and make sure that a released version of Microsoft Exchange Server 2007 is installed on all nodes. For more information about managing CCR, see Managing Cluster Continuous Replication.
For More Information
To search the Microsoft Knowledge Base articles based on criteria that generated this alert, visit the Search the Support Knowledge Base (KB) Web site.
To review Exchange 2007 event message articles that may not be represented by Exchange 2007 alerts, see the Events and Errors Message Center.
If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.