Working with Shadow Copies Windows Server

Diskshadow Documentation

For Server 2019 and higher

diskshadow delete shadows all

https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/diskshadow

Use Diskshadow from administrative command prompt.

delete shadows all

https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/delete-shadows