Hello everybody,
While trying to upgrade the Exchange 2010 to SP3 I got the following error message when It reaches the mailbox client role , also Microsoft Exchange RPC client access service failed to start with logged error message in event viewer "The Microsoft Exchange RPC service can't be started because the EMSMDB interface is already registered by another process" :
[04/18/2013 13:44:19.0828] [2] [ERROR] An error occurred with error code '3221685221' and message 'Overlapped I/O operation is in progress.'.
[04/18/2013 13:44:19.0859] [1] The following 1 error(s) occurred during task execution:
[04/18/2013 13:44:19.0859] [1] 0. ErrorRecord: An error occurred with error code '3221685221' and message 'Overlapped I/O operation is in progress.'.
[04/18/2013 13:44:19.0859] [1] 0. ErrorRecord: Microsoft.Exchange.Management.Deployment.ExsetdataException: An error occurred with error code '3221685221' and message 'Overlapped I/O operation is in progress.'.
[04/18/2013 13:44:19.0859] [1] [ERROR] The following error was generated when "$error.Clear();
buildToBuildUpgrade-ExsetdataAtom -AtomName SystemAttendant -DomainController $RoleDomainController
" was run: "An error occurred with error code '3221685221' and message 'Overlapped I/O operation is in progress.'.".
[04/18/2013 13:44:19.0859] [1] [ERROR] An error occurred with error code '3221685221' and message 'Overlapped I/O operation is in progress.'.
[04/18/2013 13:44:19.0859] [1] [ERROR-REFERENCE] Id=LegacyCoreComponent___bff10cd874104b84ade74b02b9036b25 Component=EXCHANGE14:\Current\Release\Shared\Datacenter\Setup
[04/18/2013 13:44:19.0859] [1] Setup is stopping now because of one or more critical errors.
[04/18/2013 13:44:19.0859] [1] Finished executing component tasks.
[04/18/2013 13:44:19.0890] [1] Ending processing Install-MailboxRole
All other services are running fine however , all outlook clients lost their connection with the exchange and showing disconnected
Please let me know if you ran into the same issue before I really appreciate If you can help me to resolve it ASAP.
Thanks .,,