https://www.brentozar.com/archive/2015/04/dbcc-shrinkfile-blocking-locks-in-sql-server/ Can DBCC SHRINKFILE Cause Blocking in SQL Server? - Brent Ozar Unlimited® It sure can. The lock risks of shrinking data files in SQL Server aren’t very well documented. Many people have written about shrinking files being a bad regular practice— and that’s totally true. But sometimes you may need to run a one..