turn off (synchronized) database I just found a database, and I have no Idea what to do. I can't drop, update, or anything.

The database is in this state:


How can i turn it off? Because, it's already off !



I tried to restore database ...set online.
Your error message is useful to know that the database you are trying to remove is not in mirroring. It is part of Availablity group.

You can use below command to remove the database from Availablity group :

ALTER AVAILABILITY GROUP YourAG REMOVE DATABASE DBthatYouWantToRemove;