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"We don't support syncing SharePoint on-premises folders" error
Folks, Currently, I have a user trying to sync a Office 365 SP library but then get an error saying "We don't support syncing SharePoint on-premises folders". Do you know how to fix this? Than...
Seeing the same issue here on some but now all accounts. Something is probably changed in the OneDrive UI that caused this because you can work around this issue by clicking "Return to Classic OneDrive" link in the lower left corner and then pressing "Synchronize".
I don't have an answer, but I am rebuilding a system that was syncing OneDrive for Business from an Office 365 account just fine 10 hours ago, but now that I am trying to set it up again I am getting that same message.