Despite having a connection between source and target Exchange Organizations, attempting to add mail or calendar synchronization jobs may fail with a popup message stating "The Server Is Not Operational".
The Console log contains a sequence of the form:
06.11.2014 19:49:25:165 MMExCore|Quest.MigrationManager.Exchange.LDAP.LDAPSearcher.GetRootDSEEntry Error: Exception:
Quest.MigrationManager.Exchange.LDAP.LDAPException: Could not retrieve object LDAP://<domain>.com:389/rootDSE from Active Directory. Validate account <service account> and check its permissions. ---> System.Runtime.InteropServices.COMException (0x8007203A): The server is not operational.