Hello @Søren Thestrup ,
1.Are you running FSLogix and UPD together in your environment?
2.What's the registry configuration of your fslogix profile container and office container?
FYI: https://christiaanbrinkhoff.com/2018/08/17/how-to-use-microsoft-upd-and-fslogix-office-365-containers-to-roam-onedrive-sharepoint-outlook-and-search-on-remote-desktop-services/
https://www.amorales.org/2019/03/deploying-fslogix-office-365-containers.html
https://social.msdn.microsoft.com/Forums/en-US/be5d0fd2-be74-47ea-bdc8-ccf4e13cde70/office-containers-and-upds-folder-inclusion?forum=FSLogix
https://social.msdn.microsoft.com/Forums/windowsserver/zh-CN/bb7506f2-1904-406b-b4e3-ea2b9d3c6211/office-365-container-exclusions?forum=FSLogix
I'll make further confirmation with our internal fslogix team for your question, thanks for your precious time.
Best regards,
Leila
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