The server name of a domain controller or global catalog that is specified in the registry was not found in the Sites container in Active Directory

 

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 event, do one or more of the following:

  • Review the description of the event that includes the variables specific to your environment. From the Operator Console, select this alert, and then click the Properties tab.

  • Review all events that have been logged that meet the criteria of this Operations Manager alert. 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.

Details

Product Name

Exchange

Product Version

8.0 (Exchange Server 2007)

Event ID

2091

Event Source

MSExchange ADAccess

Alert Type

Warning

MOM Rule Path

Microsoft Exchange Server/Exchange 2007/Common Components/Active Directory Access

MOM Rule Name

The server name of a domain controller or global catalog that is specified in the registry was not found in the Sites container in Active Directory. Exchange Active Directory Provider will not use this server as a domain controller or global catalog.

Explanation

This Warning event indicates that a domain controller or a global catalog server specified in the Windows registry was not found by the Microsoft® Exchange Active Directory® Topology service. This event is caused when one or more of the following conditions are true:

  • The Active Directory Topology service cannot locate the domain that contains the DNS server.

  • The Active Directory Topology service cannot find the DNS name.

  • The Active Directory Topology service cannot find a writable Naming Context in Active Directory.

  • The Windows registry is configured to use an incorrect value. For example, the registry key or server name is not spelled correctly.

Important

The specified domain controller or global catalog server will not be used until the next topology discovery.

User Action

If other Exchange services start without a problem, this warning can be ignored. However, it is recommended that you resolve this warning by doing one or more of the following:

  • Make sure that the registry key and the domain controller name that is mentioned in the event description are correctly specified in the Windows registry.

  • Make sure that the domain controller specified in the event description is correctly registered on the DNS server. Also make sure that its host name entries are valid.

  • In Active Directory Sites and Services, make sure that the domain controller specified in the event description is listed under the Sites container.

  • Check the Application log and System log on the domain controller mentioned in the event description for any corresponding Warning or Error events.

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 MOM 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.