DNS is not configured
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 |
101 |
Event Source |
MSExchange Antispam |
Alert Type |
Warning |
MOM Rule Path |
Microsoft Exchange Server/Exchange 2007/Common Components/Hub Transport and Edge Transport/Agents/Common |
MOM Rule Name |
DNS is not configured. Most likely, no DNS servers were found. Sender reputation calculations are disabled. |
Explanation
This Error event indicates that the server cannot access a Domain Name System (DNS). Both sender reputation calculation and the ability to add items to the block list require that name resolution be configured and functional.
For information about sender reputation, see Sender Reputation.
User Action
To resolve this problem, follow one or more of these steps:
Review the Application log for related events. For example, events that occur immediately before and after this event may provide more information about the root cause of this error.
Make sure that the DNS configuration is accurate by using the ipconfig utility.
Refresh the DNS cache on the server.
Enter Ipconfig /flushdns and ipconfig /registerdns at a command prompt.
Enter ipconfig /all at a command prompt.
Make sure that the server that runs Microsoft Exchange Server can ping the DNS server.
If this event persists in your Exchange environment, contact Microsoft Customer Support. For information about how to contact support, visit Microsoft Help and Support.
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.