Will check if PFUser exists based on principal or alternative identity.
If not found, will validate login against AD or local accounts.
If login exists, PFUser will be created and returned.
Throws ValidationException is user could not be found in domain or Packflow.
Namespace:Packflow.Core Assembly:
MicaSystems.Packflow.Core (in MicaSystems.Packflow.Core.dll) Version: 1.0.0.0 (3.2.0.306)