I had very strange problem,
After Suyces a Migration PKI to SHA2
and deploy new certificat in GPO and 802.1x
I had this problem authentication with workstation with Win7, after deployed a new certifcat sha256 and reboot Workstations i can't athentificat and the worksattions we have a IP adress 169.
But in windows 10 and 8 the workstation worked normally with new certificat
Firstly i think the origin of problem is : KB3033929
Thank you for advance.