When you concurrently create multiple files in a FileTable directory in an instance of Microsoft SQL Server 2014 or 2016, a deadlock may occur internally in the SQL Server Engine and all the subsequent requests to FileTable directories may not be responded.
Service pack information
Cumulative update information
The issue was fixed in the following cumulative update of SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server:
To work around this issue, restart your instance of SQL Server 2014 or 2016.
Learn about the terminology that Microsoft uses to describe software updates.