|Source:||MSExchange Message Security|
|Message:||The EdgeSync credential %1 could not be decrypted by using the certificate with thumbprint %2. The exception is %3. To resolve this problem, unsubscribe and resubscribe your Edge Transport server.|
This Error event indicates that the public key that is used to decrypt the Active Directory Application Mode (ADAM) directory service credentials that are used during the EdgeSync process is unavailable or invalid.
To resolve this error, do 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.