All posts by Radhakrishnan Govindan

Cannot open mailbox Microsoft System Attendant

Issue:
When trying to migrate the mailboxes in Exchange, throws the below Error

Cannot open mailbox /o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=MAILBOX01/cn=Microsoft System Attendant

Resolution:

Ideally it happens if there is no proper Database Home MDB mapped for Microsoft System Attendant … Continue Reading