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We have been using 802.1x machine and user authentication via MS built-in supplicant (PEAP, MSCHAP-v2) and MS IAS (radius) backend on a wired network for about a year.We recently migrated our 802.1x platform to CSSC 4.2 and ACS 4.1. I soon discovered...
Well, whenever a password change is required by AD (once every 30 days). ACS then reports "Invalid Protocol Data" when the next 802.1x reauthentication occurs soon after the AD password change. The remote agent log shows the authentication as success...
