Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi Stefan,
Thanks for contacting us and sorry for the inconveniences,
Kindly check the following thread and see if it helps you resolve the issue with whiteboard https://answers.microsoft.com/en-us/msoffice/forum/all/encountered-an-unknown-error-microsoft-whiteboard/8c949d20-f43a-4502-bb1e-0dad7dea26fe
I hope this helps!
Regards, Sola