Assume that you have two measure times, T1 and T2, and T2 is greater than T1. If you calculate (T2-T1) in many iterations, the results might be incorrect. For example, the results might be negative values.
This problem was first fixed in the following cumulative update for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology Microsoft uses to describe software updates.
Microsoft SQL Server 2014 Developer, Microsoft SQL Server 2014 Enterprise, Microsoft SQL Server 2014 Enterprise Core, Microsoft SQL Server 2016 Developer, Microsoft SQL Server 2016 Enterprise, Microsoft SQL Server 2016 Enterprise Core, Microsoft SQL Server 2016 Standard, Microsoft SQL Server 2012 Service Pack 3