I think this is more of just a generic .NET question, but as it pertains to security, I'm thinking this might be a better place for it.



I'd like to authenticate users using Active Directory (domain authentication), just to ease maintenance (a winforms app). However, almost none of the users will be logged onto the domain or a trusted domain where the Active Directory resides. Most will be logged into there machines, not connected to any domain (they are consultants, on the road, in hotels, etc.) They will use VPN initially to connect to network to access data. I can't use anything that would just pass there authentication certificate (or whatever it is called) for the current user from the OS, because they aren't authenticated on a domain (or it's the wrong domain). So, is there any way to authenticate against a specific domain via .NET?