Exchange 2010 : Outlook Cannot connect to Mailbox after migrating to Exchange 2010 Server but Can connect using OWA)

  Some users may experience issues connecting to mailbox using outlook after moving mailboxes from  Exchange 2003/2007 to Exchange 2010 servers Users can continue to Connect using Outlook Web App ( OWA). when user try to connect using Outlook, they get following error message “ Cannot open your default email folder . Microsoft Exchange is…