Hello,
Check the registry setting From this page, in theory this settings should not apply to a KMS client.
Registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\Activation
Manual
REG_DWORD
0 = Allow automatic online activation (default)
1 = Disable auto-activation
MAK and KMS host but not KMS client