I have a issue with two Rooms that when random users try to use the Scheduling assistant they get grey slashes bar that the graphics key says they mean " No Information found"
it is very similar to this article: https://social.technet.microsoft.com/Forums/ie/en-US/d0f13692-221e-415c-9f0e-3655329b115e/scheduling-assistant-shows-no-free-time-has-all-gray-slashes?forum=outlook
We have already tried new profile, deleting the cache, and turning off Cached Exchange mode. Other than the Scheduling Assistant issue all other facets of this room work in Outlook.
This is a former Exchange 2010 environment that was migrated to O365 a month ago. So not sure if this is a left over of that migration.