Then run the command After doing IISReset, Free/busy lookups from Online to On-prem should start working within minutes.
Or arranging to meet in person someone they've met online, when that person isn't who they said they were.
Allthough the diagnostics (Ex RCA etc) say that your configuration is right, vital configuration is not yet effective.
RESOLUTION First step in resolving Free/busy errors is to follow the two steps mentioned in the Introduction to this post (Ex RCA diagnostics and following KB2555008 – see above).
Chatroulette is a little more interesting because you can actually see the person through the camera of your laptop, Ipad or phone. Chat-rooms are great if you want to have fun without any online obligations.
You can make up any story, pretending to be anyone from an amateur singer to a bored actress.