I have an exchange 2010 SP3 with the last cumulative update.
I've an error that is explained in lots of messages of this forum: I cannot delete messages in owa.
The error is exactly "mailbox you're trying to access isn't currently available". There are no event viewer warnings or errors related. Windows Server 2008 R2 has service pack 1 installed, then has the patch of IPv6 with EWS.
I've tried lots of ideas of the forum but doesn't work
Any idea?