Hi, I am experiencing also the same... or even worse..
I've been cracking my head to pass through what used to be a quite straightforward operation, I have several serverless databases on top of Synapse, and currently, I am trying to add a few of them to a catalog in Purview, however, even though this was a successful operation a couple of months ago, now Purview refuses to scan databases with a quite non-informative message: (Please note that it can enumerate the DBs without issue)
I already have set:
* Purview has Reader role on Synapse
* Purview has Storage Blob Data Reader role on DLGen2 (underlying data resides here)
* MSI access to the DB
* Granted scoped credentials to the MSI in order to access external data
I also set an SQL User with scoped credentials on the same database, and tested it with SQL Studio, so that one works for sure.
The database I am trying to scan is a serverless SQL DB containing external tables that reside in a DLGen2.
Please advise,I am missing something or if is there an unreported issue in Brazil South region , please let me know.
Many thanks,
Raul