When running the config tool we get "unable to find mailbox timezone: Error 0x80004005" We're logged in with a Blackberry Admin account which has full rights to the mailboxes. Any suggestions?

Q: when running the config tool we get "unable to find mailbox timezone: Error 0x80004005" We're logged in with a Blackberry Admin account which has full rights to the mailboxes. Any suggestions?
A: Refer to KB article 930879. The permissions are listed there.