I think it's something I removed under System - but don't think it's flagged up in Compatibility.
So far I have the following:
Office 365
System > .NET Framework Core > Task Scheduler > Task Scheduler – 32-bit (Time Broker service)
System > Credential Manager
reg add "HKLM\SYSTEM\CurrentControlSet\Services\BFE" /v Start /t REG_DWORD /d 2 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\sppsvc" /v Start /t REG_DWORD /d 2 /f
So it seems an additional one from System is needed on top of the above two.
So far I have the following:
Office 365
System > .NET Framework Core > Task Scheduler > Task Scheduler – 32-bit (Time Broker service)
System > Credential Manager
reg add "HKLM\SYSTEM\CurrentControlSet\Services\BFE" /v Start /t REG_DWORD /d 2 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\sppsvc" /v Start /t REG_DWORD /d 2 /f
So it seems an additional one from System is needed on top of the above two.