TMG Basics – should we use this blog or a new one?

Hi all,   We thought it could be useful do create a series of blog posts about TMG basics (i.e. TMG 101). This would cover the different TMG features and concepts and walk people who are new to TMG through the first steps. We thought of creating a new blog (called “TMG from the grounds…


ISA Firewall Service Process (wspsrv.exe) high CPU utilization issue

1. Introduction   When dealing with ISA high CPU utilization where wspsrve.exe is the one consuming more resources, the first impression is that ISA is the culprit for that. There are some scenarios where this statement is true, such as this one that I documented last year. But there are other scenarios where this is…


Random authentication prompts while accessing internet through ISA Server followed by ISA Server becoming unresponsive

Introduction 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…