Hi, recently i am facing a probelm with NAC agent , it does not check for the updates when the user is login , there is a massege come ( please check the attchments ) .please help me !!!

Dears  actually we are facing a slowness problem from the PC which under Auth VLAN , when the user accessing to his PC he takes 10 to 15 min just to login to his profile , then the NAC agent started searching for the updates , my concern not the upda...