Install it at first logon from the Win32-OpenSSH zip on the seed ISO via Configure-Windows.ps1 -InstallOpenSSH, replacing the manual 05/06 batch files. The administrator public key now comes from the host (SSH_PUBLIC_KEY_FILE or ~/.ssh/id_*.pub) instead of being hardcoded. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>