Was unable to access exchange 2003 OWA, restarted the mta stack, now i can login, but once i login in i am getting the error: HTTP/1.1 503 Service Unavailable
and under event viewer i am recieving:
The MAPI call 'OpenMsgStore' failed with the following error:
The attempt to log on to the Microsoft Exchange Server computer has failed.
MAPI provider failed