Everyone, who once tried to install NAV 2009 Server to separate computer than MS SQL Server, needed to solve one “mystery”: how to set the SPNs correctly. Today I will try to uncover the fog around the SPNs and how to set them correctly. At first, I am not expert in this area too. I will try to describe everything as “I understand it”. It means, it could not be fully true, but it works for me. I know that there are already different articles about NAV and SPNs but I have found them as a not fully understandable or I missed some parts in them. Thus I will try to describe all what you need to know…