Random authentication prompts while accessing internet through ISA Server followed by ISA Server becoming unresponsive
“Consider a scenario where users behind ISA Server (internal network) start to receive random prompts for authentication while trying to access internet using ISA Server as proxy. The authentication prompt persists even after entering the credentials. To resolve the issue it is necessary to restart Firewall Service.
Although you probably heard or read about this scenario many times, the goal of this post is to give you a compiled version of the action plan and what to look for while analyzing the data…”
Check the TMG blog for more information on this problem and the variety of solution.
DEBRA LITTLEJOHN SHINDER
MVP (Enterprise Security)