Thanks for the details.
A1. Other than DHCP, DNS & Remote Control, all set to follow system policy. (No one is granted in service policy with default rights may be used instead.)
---> Ok, thanks for that. Just confirming you have the correct policies / system policy usage for these services:
(NAT) GateKeeper --> Extended Networking Service --> Policies:
(WGIC) GateKeeper --> Winsock Redirector Service --> Policies:
(Proxy) GateKeeper --> WWW Proxy Server --> Policies:
(Socks) GateKeeper --> Socks Proxy Server --> Policies:
Has the default rights to "May be used instead", and there are no Groups or users policies in those particular services/servers.
A2. In system policy, properties for recipients, under specify which requests this recipient has rights for, Client is a DHCP client is TRUE. This is the only rules.
So your policy looks like this.
If you cannot resolve, then I think we will need to look at your settings; I just created the policy on WinGate 6.1.3 shown above and it worked as expected.
1. WinGate Registry.
GateKeeper --> Options menu --> Advanced --> Save Registry
2. WinGate Config Report
GateKeeper --> Options menu --> Advanced --> Save Config Report
3. ipconfig/all from the WinGate Server
(Windows) Start menu --> Run --> cmd --> ipconfig/all >> C:\ipa.txt