|Message:||Could not read the Security Descriptor from the Exchange Server object with guid=%1. As a result the Proxy Address Calculation RPC interface will not be available on the local Exchange Server.|
This Error event indicates that the security descriptor for Microsoft Exchange Server with globally unique identifier (GUID) %1 could not be read from the Active Directory directory service. This server will not be able to calculate proxy addresses for new mailboxes added to the server. This error is usually encountered when the Exchange server is not a member of the Exchange Servers group in the Microsoft Exchange Security Groups in Active Directory or Active Directory replication latency is causing the discrepancy in group membership.
To resolve this error, do one or more of the following:
If you cannot resolve this error, or you experience other problems or mail flow interruptions in your Exchange environment after trying to resolve this error, contact Microsoft Product Support. For information about contacting support, visit the Contact Us page of the Microsoft Help and Support Web site.
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.