2.2.2.3 Version
Key: Software\Policies\Microsoft\Windows NT\DNSClient\DnsPolicyConfig\{Rule GUID} or System\CurrentControlSet\services\Dnscache\Parameters\DnsPolicyConfig\{Rule GUID}<6>
Value: "Version"
Type: REG_DWORD
Size: 32 bits.
Data: This field is a 32-bit value specifying the Name Resolution Policy version. Its value MUST be 0x00000001.