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Discussions on WindowsForum.com about the xfinity xb8 router focus on network changes and troubleshooting after upgrading to Xfinity gigabit service. Users report that the XB8 modem/router assigns addresses in the 10.0.0.x range instead of the previous 192.168.x.x, which can disrupt existing setups. A notable thread covers Windows Server Essentials experiencing multiple DNS and ADS errors after the gateway change, including issues with the DNS server failing to open sockets for certain IP addresses. The content highlights practical challenges with integrating the xfinity xb8 router into environments running Microsoft server software, emphasizing the need to verify IP configurations and adjust DNS settings accordingly.
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    Windows Server Essentials has multiple DNS errors after changing internet gateway

    I recently changed internet service from "regular" Xfinity internet to Xfinity gigabit using a XB8 modem/router. Now, instead of addresses being assigned like 192.168.x.x, they are now 10.0.0.x. Other computers eventually adapted to the new arrangement . After working through a number of...