Network Address Translation (NAT) cannot start when Windows Firewall(WF)/Internet Connection Sharing (ICS) service is running. ...

Network Address Translation (NAT) cannot start when Windows Firewall(WF)/Internet Connection Sharing (ICS) service is running. Windows Firewall(WF)/Internet Connection Sharing (ICS) service will be disabled when you finish the wizard. This is not enabled again when Routing and Remote Access is disabled later.