Citrix storefront error - cannot complete your request

In this video, I tried troubleshooting a problem on the storefront server, when I tried logging in it said 'cannot complete your request'. Checked with a few accounts but it was throwing the same error message, did some troubleshooting to fix the problem.

Thanks, Naresh techguy.498@gmail.com ... https://www.youtube.com/watch?v=A2A9k7SQwCs