Hello,
Thank you for posting in Q&A forum.
You can use access control lists (ACLs) to restrict virtual machine deletion permissions in Hyper-V to protect virtual machine resources from unauthorized file system-level access. This method protects virtual machines from unauthorized deletion of virtual machine files.
Reference Links:https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/dn741279(v=ws.11)
I hope the information above is helpful.
Best regards
Zunhui
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