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Outbound authentication failed at the Send connector

 

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.

 

Product Name

Exchange

Product Version

8.0 (Exchange Server 2007)

Event ID

2017

Event Source

MSExchangeTransport

Alert Type

Critical Error

MOM Rule Path

Microsoft Exchange Server/Exchange 2007/Common Components/Hub Transport and Edge Transport/Transport

MOM Rule Name

Outbound authentication failed at the Send connector. The sending side may not have been able to obtain a Kerberos ticket to the remote destination specified by the target name.

This Error event indicates that outbound SMTP authentication on the specified Send connector failed with the specified destination smart host server. Typically, this error indicates an authentication problem on the Send connector, not on the target smart host server. This error is most likely caused when the Send connector is unable to obtain a Kerberos ticket for the target smart host server that is specified in the error message text.

When a Send connector is configured to route outbound messages to a smart host, the following authentication methods are available:

  • None

  • Basic authentication

  • Basic authentication over TLS

  • Exchange Server authentication

  • Externally Secured

In the Exchange Management Console, you set the authentication methods for outbound connections to a smart host on the Configure Smart Host Authentication Settings tab after you click Change on the Network tab of the Send connector properties page.

In the Exchange Management Shell, you set the authentication methods for outbound connections to a smart host by using the SmartHostAuthMechanism parameter on the Set-SendConnector cmdlet.

To resolve this error, verify that the Send connector and the destination smart host are configured to use a common authentication method with the correct credentials and required certificates.

For more information, see the following topics:

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.

 
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