QMMAD (RUM, CCU), QMMEX and all sub tools of this product line up have already reached end of life, including Quest Technical Support.
For more information on the QMMAD and QMMEX line Life Cycles, you can reach the following address :
Product Support - Migration Manager for AD
Look at the tab of "Product Life Cycles and Policies" & hover mouse over the exclamation mark on "Support Discontinued" for more information.
As an alternative, you can start planning a transition of migration tools for AD / Exchange, moving from QMMAD / QMMEX to Migrator Pro for Active Directory / Exchange, our on-prem solution for AD / Exchange migrations.
Please contact your sales representative or Quest account Manager for more details if you are planning to continue to use Quest migration tools for AD / Exchange.
Also, you might like to see other alternatives like the On-Demand Migrations product line-up, which is a migration tool functioning as a SAS product.