This post is part of " Overview of NAV-specific SQL features for application consultants ". The newest versions of Microsoft Dynamics NAV require trace flag 4616 to be enabled on SQL Server. If not, then you will get this error message when you try to connect: === The trace flag 4616 is not set on the server (local). You must set this flag and restart the server before you can connect using Microsoft Dynamics NAV. === How to set trace flag 4616: Start SQL Server Configuration Manager: Start...