I currently have a 4 guest windows 10 pool operating fine on RAS 15.5. The 4 clients can access their windows 10 vm just fine from the parallels client. Problem is, they can't access from the web portal. They get the error, "Disable TLS and Network Level Authentication (NLA) on the RDP server and try again". I'm familiar with how to disable NLA on both servers and client OSs and have done so an both the 2012r2 gateway/publishing agent AND each of the Win10 guests. No joy. I don't know what disable TLS means, but TLS 1.0 IS disabled on everything involved. Anybody have any ideas? Am I missing something obvious?