What are the upgrade procedures for DRA 8.1?
To upgrade to Directory and Resource Administrator (DRA) 8.1 from previous versions (7.5, 8.0, 8.0 SP1), install the new version over your existing version. You do not need to uninstall your existing version. DRA 8.1 is an in-place upgrade For more information about upgrading from previous versions, see the Administration Installation Guide.
Please also refer to the following Knowledge Base article for additional upgrade considerations:
NETIQKB70607: What are the considerations for upgrading to Directory and Resource Administrator 8.1?