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Event ID: 113 Source: DNS

The DNS server could not signal the service "NAT". The error was 1168. There  may be interoperability problems between the DNS service and this service.
I resolved this by changing the forwarders in DNS. Having changed ISP providers, it appears that keeping the old providers DNS servers was causing a massive slowdown.
Run ipconfig /all and see if there is a gateway. If not, then remove it from the network connection and re-add it. The gateway was not showing up on the command line but existed in the network connection. This worked for me.
See MSW2KDB for information on this event.
From a newsgroup post: "Are you using ICS or NAT in RRAS? If it is ICS then disable ICS and use NAT in RRAS. If your are using NAT in RRAS then are you using the DNS proxy? If you have the DNS proxy enabled disable it."

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