Zoom Rooms Calendar Integration not working after following KB0063474

[seanstephens]

We followed these excruciating steps in the Zoom KB article and were able to get the Dedicated 365 service account added to the Calendar Integration in the Zoom Rooms (zoom.us web UI). However, this solution doesn't work. There are no instructions on how to get the Room resources (created via the same KB article)  added as Calendars to the Zoom Room. We tried it both App-level and Full Delegate method. We just get:

Office365 0 total , 0 assigned Jan 12, 2024Jan 12, 2024 09:16 PM ReauthorizeSync CalendarsDelete

in the Calendar Integration list. Also, when trying to +Add A Calendar in the Zoom Room  page, it lists the dedicated account calendar but there is no option in the "selec...

Zoom Service is a joke, 3 days and no response. We pay $700 year for Zoom services and get zero support. This forum had very little by way of troubleshooting and/or verifying this arduous 365/ZR setup. 

If someone (end user) figured this out, and is still alive after the ordeal, it would be great if you could shed some insight into this for us.