MSExchange ADAccess 2100

 

This article provides an explanation and possible resolutions for a specific Exchange event. If you don't find what you’re looking for here, try searching Exchange 2010 Help.

Details

Product Name

Exchange

Product Version

14.0

Event ID

2100

Category

Topology

Symbolic Name

DSC_EVENT_SET_CDC_BAD

Message Text

Process %1 (PID=%2). The configuration domain controller specified in a call to SetConfigDCName (%3) was not found in the Sites container in the Active Directory. Exchange Active Directory Provider will select the configuration domain controller from the list of available domain controllers.

Explanation

This Warning event indicates that the Active Directory topology service didn't find the mentioned domain controller in the Sites container in Active Directory. This situation can occur for the following reasons:

  • The Microsoft Exchange Active Directory Topology service can't locate the domain that contains the DNS server.

  • The Microsoft Exchange Active Directory Topology service can't find the DNS name.

  • The Microsoft Exchange Active Directory Topology can't find a writable Naming Context in Active Directory.

Note

If other Exchange services start and run, this warning can be ignored. However, it's recommended that this warning be fixed by following the steps listed in the User Action section.

User Action

To resolve this warning, do one or more of the following:

  • Make sure that domain controller mentioned in the event description is correctly registered on the DNS server. For more information, see the following topics:

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

  • Review 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

If you are not already doing so, consider running the Exchange tools, which have been created to help you analyze and troubleshoot your Exchange environment. These tools can help make sure that your configuration aligns with Microsoft best practices. They can also help you identify and resolve performance issues and improve mail flow. To run these tools, go to the Toolbox node of the Exchange Management Console. To learn more about these tools, see Managing Tools in the Toolbox.