Forest A -> Exchange 2007 Forest
Forest B -> Exchange 2010 Forest
User A and User B Ad accounts reside in Forest B (2010)
Mailboxes of User A and User B is in Forest A (2007) as Linked Mailbox
User A have Full Access on top of User B Mailbox
So User A can access the User B mailbox in Outlook
I moved the Mailbox of User B to Forest B
So User B Account and Mailbox is in Forest B (2010)
Now User A is unable to open the mailbox of User B
That is when he access the mailbox , it is prompting for credentials repeatedly
Please Help!
