|Message:||Inbound direct trust authentication failed for certificate %1. The source IP address of the server that tried to authenticate to Microsoft Exchange is [%2]. Make sure EdgeSync is running properly.|
This Error event indicates that Domain Security, which uses mutual Transport Layer Security (TLS) authentication, failed for the connection attempt from the indicated source IP address. Domain Security requires that an Edge Subscription is configured for the receiving Edge Transport server. For more information about Domain Security, see Domain Security White Paper.
To resolve this error, do one or more of the following:
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.