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I upgrade WISM2 from 18.104.22.168 to 22.214.171.124 , and when i tried to access it from prime 126.96.36.199.294 faced this error(Attached Photo)
please if this related to upgrade? after i search see the same error in PI 1.2 and solved after delete the WLC and Added again to controller.
please wait any feed back if i delete the controller and add it again the problem will solve and i can access it ?
Solution is here