Verification of prerequisites for Domain Controller promotion failed User must be an Administratorhttps://i2.wp.com/windowstechblog.nl/wp-content/uploads/2016/06/Verification-of-prerequisites-for-Domain-Controller-promotion-failed-User-must-be-an-Administrator.png?fit=1016%2C453&ssl=1https://i2.wp.com/windowstechblog.nl/wp-content/uploads/2016/06/Verification-of-prerequisites-for-Domain-Controller-promotion-failed-User-must-be-an-Administrator.png?resize=150%2C150&ssl=1Martien van Dijkit's all about Microsoft