The database server used by Activation Server 6 changed from Microsoft SQL Server to MySQL. All data has to be migrated from the MS-SQL Database to MySQL. This typically takes a few hours but depending on the number of transactions or number of license files could take more time. A data migration tool is provided which
•makes an estimation of the time needed
•does a final conversion of the data from MS-SQL to MySQL
You should install Activation Server 6 on a new virtual windows instance.
The update is done in different steps
•Install Activation Server 6 (do not login into the server after installation)
•Check migration time and migrate the data