Fixing KDC Authentication Problems when upgrading your domain and forest functional level from 2003 to 2008 R2

We recently upgraded our Domain and Forest Functional Level from 2003 to 2008 R2, after a day or so I started having problems connecting to a number of 2008 R2 Hyper-V Virtual Machines. When attempting to connect I would receive the following error: An Authentication Error Has Occurred. The Encryption Type Requested Is not supported … Continue reading "Fixing KDC Authentication Problems when upgrading your domain and forest functional level from 2003 to 2008 R2"