Database migration is a vital task in any environment, complex or otherwise. Seamless migrations are the goal but the efforts required to ensure it are tremendous.

A global SQL Server Collation Sequence update is the answer to the puzzle, but it is a multi-step operation. The first step is to identify the case sensitivity of the collation assigned to the repository database. If you find that the repository database is not case sensitive, you must create a new empty (blank) case-sensitive database to migrate the data to. You must then import the data from the old case-insensitive repository database to the new empty case-sensitive database, and then establish the new case-sensitive database as the repository database.

further reading…

SQL-Server-db-migration-cloning-a-database-to-another-collation

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