The certificates on the Cisco WLC only lasted 10 years, you have to upgrade the WLC and all the access points to a new version that includes a command to turn o

The certificates on the Cisco WLC only lasted 10 years, you have to upgrade the WLC and all the access points to a new version that includes a command to turn off the certificate check. If you want to upgrade an AP after that date you need to set back the clock first, so much fun