Thanks for the answer and useful information about the CA. We have tested the impact following the procedure in the FAQ you mentioned. With both Windows 7 and 10 native supplicants the EAP authentication completes successfully although the usage of a...

What will happen if a Windows native supplicant should validate an ISE system certificate signed with sha-1 by a CA that is part of Microsoft Trusted Root Program after February 14th? I am referring to the EAP-TLS authentication, should that fail?