Service (SRV) records for the specified Domain Controller cannot be found

 

Topic Last Modified: 2007-11-16

The Microsoft Exchange Server 2007 Management Pack for Microsoft Operations Manager (MOM) 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 MOM Operator Console, select this alert, and then click the Properties tab.

  • Review all events that have been logged that meet the criteria of this MOM alert. From the MOM 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

2124

Event Source

MSExchange ADAccess

Alert Type

Warning

MOM Rule Path

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

MOM Rule Name

Service (SRV) Records for the specified domain controller cannot be found. An SRV record may not be correctly configured in DNS. Use the Dcdiag tool to check domain controller and DNS health.

Explanation

This event indicates that Domain Name System (DNS) service (SRV) records for the specified domain controller cannot be found.

The specified domain controller will not be used by ADAccess. As long as there is sufficient capacity in suitable domain controllers, there is no mail flow interruption. We recommend that you investigate the issue and fix it.

This event may be caused when a DNS SRV resource record is not registered in DNS. One or more of the zones listed in the error message do not include a delegation to its child zone.

See the event description for detailed information about the cause of this event.

User Action

To resolve this event, verify that the SRV resource record for the requested domain and service type exists in DNS. Run the Dcdiag command line tool to test domain controller health. To do this, run dcdiag /s:<Domain Controller Name> at a command prompt on the Exchange server. Use the output of Dcdiag to discover the root cause of any failures or warnings that it reports. For more information, see Dcdiag Overview at the Microsoft Windows Server TechCenter.

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.