I am strugling with the same "restore mailbox problem". I installed 7170 hotfix 3,4,7,8 on media-server and get stuck while installing hotfixes on the remote client (exchange server).
So, where do you suggest to remove the Hotfixes? On the Remote Client or on the Mediaserver or on both?
How did you uninstall this hotfixes? I cannot find them in "Add / Remove Programs..". There is only "Symantec Backeup Exec 11d (TM) for Windows Servers" listed, no hotfixes separately.
Thanks, Erich