>>I've seen those examples of using the identity tag with the userPrincipleName, but I just don't get that. WTF is username@domain.com supposed to be in real life? I haven't a clue.
>
>When you created the domain in Active Directory, you have to specify a domain name. That's what "domain.com" is supposed to be. "username" is your user name that you use to log into the domain with.

Doh!! Don't know why that didn't pop into my brain by itself. Thank you for explaining that. I think that using that might be a better path to go down than what I've been trying in the past few hours.