I have 1. 2008 DC and 2 2K3 DC's, 1 Exchange server 2003 which still workes fine,
1 Exchange server 2007.
When moving mailbox or creating a new mailbox in E2K7, OWA workes fine, but only getting "Server Available" when trying to connect with Outlook. Tested both Outlook 2k3 and 2k7.