Active Directory add User Principal Name UPNhttps://i2.wp.com/windowstechblog.nl/wp-content/uploads/2013/04/Active-Directory-add-User-Principal-Name-UPN.png?fit=875%2C102&ssl=1https://i2.wp.com/windowstechblog.nl/wp-content/uploads/2013/04/Active-Directory-add-User-Principal-Name-UPN.png?resize=150%2C51&ssl=1Martien van Dijkit's all about Microsoft