DNS isn’t always the cause of “selected objects in the following domains are not available”

So if you hit up the ‘goog, bing’d it, and everyone that asks about this error: The Active Directory Domain Controllers required to find the selected objects in the following domains are not available: contoso.com Ensure the AD Domain Controllers are available and try to select the object again …gets told that it’s their DNS….

Why doesn’t NLA work with cross-domain smart card authentication?

Well… actually it does. But you need a trust. And by the way this will affect more than just smart card authentication to an RDP session, it will also affect copying files over UNC paths and basically anything else that requires authentication. First though, let me back up a bit and talk about Network Level…