It was used on an IE-only project I worked on many years ago. It was very difficult for users to manage and was used in addition to individual credentialing wit

It was used on an IE-only project I worked on many years ago. It was very difficult for users to manage and was used in addition to individual credentialing with a username/password. The certificate would identify the physical location, so there'd be one per client installed onto all the machines from which the site could be used.