Hello,
Click Start, right-click My Computer, and then click Manage.
Right-click Shared Folders, point to All Tasks, and then click Configure Shadow Copies.
In the Select a volume list, click the drive that contains the file share resource that you want to change the settings for.
Please find addionnal information here :
https://learn.microsoft.com/en-us/windows-server/storage/file-server/volume-shadow-copy-service
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc771305(v=ws.11)?redirectedfrom=MSDN
Regards,
Thierry