|Message:||An authentication credential initialization error %1 occurred with Send connector %2. The authentication mechanism used was %3. The name of the server that we were trying to authenticate to was %4. This server was using the name %5. Try reentering the credential. If the problem persists, contact Microsoft Support Services.|
This Error event indicates that the specified Send connector on the Hub Transport server or Edge Transport server experienced an authentication credential initialization failure with the specified remote server.
When a Send connector is configured to route outbound messages to a smart host, the following authentication methods are available:
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, do one or more of the following:
For more information, see the following topics:
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.