|Message:||There are no replicas for the public folder %1 in any connected sites.|
This Error event indicates that the public folder specified in the event description has no replicas in any site. This situation should not happen under normal situations; however, it may occur in migration and server recovery scenarios.
To resolve this error, check to see if there are any replicas of this public folder in any sites. If the public folder has no replicas, add a replica to at least one site. You can add public folder replicas using the Set-PublicFolder Exchange Management Shell cmdlet. For more information, see Set-PublicFolder.
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.