Non-SMTP address space ‘%1’ was detected on the DNS SMTP connector ‘%2’ in routing tables with timestamp %3. The address space is ignored on the connector because a non-delivery report (NDR) will be sent for the message or because the message will go to another connector. Exchange Server 2007 tasks block this configuration. However, the connector may have been set up by Exchange Server 2003.

Details
Product: Exchange
Event ID: 5025
Source: MSExchangeTransport
Version: 8.0
Symbolic Name: RoutingDnsSmtpConnectorWithNonSmtpAddressSpace
Message: Non-SMTP address space ‘%1’ was detected on the DNS SMTP connector ‘%2’ in routing tables with timestamp %3. The address space is ignored on the connector because a non-delivery report (NDR) will be sent for the message or because the message will go to another connector. Exchange Server 2007 tasks block this configuration. However, the connector may have been set up by Exchange Server 2003.
   
Explanation

This Error event indicates that a non-SMTP address space was detected on the indicated DNS SMTP connector in the referenced routing table. Microsoft Exchange Server 2007 will not use this connector to route to the address space. A non-delivery report (NDR) will be sent for the message or the message will be routed to another connector. Exchange 2007 tasks block this configuration. However, the connector may have been set up by Exchange Server 2003. For more information, see Managing Connectors.

   
User Action

To resolve this error, do the following:

  • Verify the connector configuration. Routing to a non-SMTP address space must use a connector that is set up to use a smart host for routing, a Foreign connector, or a connector that is homed on a server that is running Exchange 2003.

  • If the recommended steps do not resolve this error, contact Microsoft Customer Support Services. For more information about how to contact support, visit the Microsoft Help and Support Web site.

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.

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