It gives me the error "The account could not be signed in because it is not authorized to use ArcGIS Pro."
Solved! Go to Solution.
Log in to ArcGIS Online using your named user login. Then Configure ArcGIS Pro license for the user.
Once done, log in from ArcGIS Pro.
Log in to ArcGIS Online using your named user login. Then Configure ArcGIS Pro license for the user.
Once done, log in from ArcGIS Pro.