The documentation on Optimizing SQL Server Performance with Microsoft Dynamics NAV has been updated with information about: Troubleshooting long running SQL queries involving FlowFields by disabling SmartSQL. Using SQL Server 2016 Query Store to monitor query performance in Dynamics NAV.   Read more at https://msdn.microsoft.com/en-us/dynamics-nav/optimizing-sql-server-performance-with-microsoft-dynamics-nav   Please get back to us if you miss documentation around...