@poddingue thanks, In my case there is an update from Microsoft which destroy the RDP/Console. below is the link for it. I patched the fix and it's now working fine. Also I try to use proper template for windows based vms so that all the params gets in the guest by default.
https://support.microsoft.com/en-us/servicing/os/windows-server/2026/09/kb5129235-windows-server-2025-update