You want to upgrade from your current version of Recovery Manager for Exchange 3.1 to Recovery Manager for Exchange 4.5.2, is this possible?
It is not possible to directly upgrade from Recovery Manager for Exchange 3.1 to 4.5.2. It is possible however to upgrade from earlier 4.x versions.
Workaround:
You will need to uninstall Recovery Manager for Exchange 3.1 and do a clean install of Recovery Manager for Exchange 4.5.2
