How to Prevent Users to change the Onedrive auto startup
Based on our research and tests, there is no such related Group Policy to prevent users stoping the Onedrive auto start.
I will do some tests via adding realted registry key later, if I have any updates, I would update my reply on next week, thanks for your understanding.
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changing the KFM setting from Desktop/DOcument/Pictures folders.
Does it mean that you want to prevent users from moving their Windows known folders to OneDrive?
If yes, you may refer to teh link, add the following registry key.
[HKLM\SOFTWARE\Policies\Microsoft\OneDrive]"KFMBlockOptIn"="dword:00000001"
Update ---------------
Based on my test, if the users want to stop Onedrive auto startuping, they could go to Task Manager > Starup, disable OneDrive, or go to Settings tab in OneDrive, uncheck (turn off) the "Start OneDrive automatically when I sign in to Windows". I do not find the registry key or GPO to hide or greyed them currently.
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