During intersite replication, the directory replication agent (DRA) closed the connection to the mail service in response to error <error code>. Will attempt to connect again later.
Event Information
The directory received this MAPI error from the information store. The directory replication agent (DRA) is responsible for synchronizing with the other directories and accepting directory updates.
Verify that the Microsoft Exchange Information Service and Site Replication Service are running. Check network connectivity.