Process %1 (PID=%2). Topology discovery failed, error 3 (%4). Look up the Lightweight Directory Access Protocol (LDAP) error ...

Process %1 (PID=%2). Topology discovery failed, error 0x%3 (%4). Look up the Lightweight Directory Access Protocol (LDAP) error code specified in the event description. To do this, use Microsoft Knowledge Base article 218185, "Microsoft LDAP Error Codes." Use the information in that article to learn more about the cause and resolution to this error. Use the Ping or PathPing command-line tools to test network connectivity to local domain controllers.

Process %1 (PID=%2). The site monitor API could not start - Call=%3 Error code=%4. Try to resolve this event by restarting ... Process %1 (PID=%2). The site monitor API could not update the msExchServerSite attribute in Active Directory. You must update ... Process %1 (PID=%2). The site monitor API was unable to verify the site name for this Exchange computer - Call=%3 Error code=%4. ... Process %1 (PID=%2). The value of %3 specified in the registry must be in the range of %4 - %5, and it was %6. Using the ... Process %1 (PID=%2). Topology discovery failed, error 3 (%4). Look up the Lightweight Directory Access Protocol (LDAP) error ... Process %1 (PID=%2). Unhandled exception occured in worker thread %3. Exception message: %4 Current synchronization task ... Process %1 (PID=%2). When initializing a remote procedure call (RPC) to the Microsoft Exchange Active Directory Topology ... Process %1 (PID=%2). When updating security for a remote procedure call (RPC) access for the Microsoft Exchange Active Directory ... Process %1: %2 failed. Caller SIDs: %3. The exception returned is %4. Make sure that Active Directory site/forest containing ...