Found in the Windows VM check. - The agent upgrade script wrapped Get-ShopDbServerPins in @(), which turned several registry pins into one joined string. During a certificate rotation the upgrade download would have refused the rotated server. It also merged appsettings pins with the registry; it now follows the agent's rule: when the ServerPins value exists, even empty, the registry owns the list. The shared pin block in the upgrade script and both reporters gains Test-ShopDbServerPinsValue. - A key-less package installed over an enrolled PC printed both "existing enrolled credential found; kept as is" and "This PC will request enrollment". The enrollment notices now print only when no credential exists.