This forum is closed. Thank you for your contributions.
This forum is for questions and discussions about the TechNet Wiki. I would ask here:
https://answers.microsoft.com/en-us/windows/forum/windows8_1
Edit: Reference on Network Access Protection (NAP) and troubleshooting:
https://msdn.microsoft.com/en-us/library/windows/desktop/aa369712%28v=vs.85%29.aspx
https://blogs.technet.microsoft.com/dpm/2012/02/06/data-protection-manager-agent-network-troubleshooting/
Richard Mueller - MVP Enterprise Mobility (Identity and Access)