Called Symantec. they suggested since upgrade from SP2 to Sp4 does not change datbase schema. To roll back all all that will be required is to uninstall EV binaries and install EV sp2 binaries
It will look transparent as mentioned in the above post. If you install OWA extensions the users using OWA will also be able to retrieve archive emails.
Enterprise Vault keeps the same structure as you normally would have it, the only exception is i...