SQL Server must shut down in order to recover a database (database ID 1). The database is either a user database that could not be shut down or a system database. Restart SQL Server. If the database fails to recover after another startup, repair or restore the database.
Cumulative Update informationThe issue was first fixed in the following cumulative update of SQL Server:
Article ID: 3107346 - Last Review: 19 Apr 2016 - Revision: 1