LogMeIn should have no impact on whether a host can reach the internet or not. Are you sure no other changes were made to the network configuration? Check the NIC settings and ensure that the IP addresses are valid for your network. IP addresses are not usually assigned in CMOS unless it is for your integrated lights out (ILO) board or similar board.

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I recommend opening a Command Prompt window and entering the IPCONFIG /ALL command. This will cause WIndows to display the server’s IP address configuration. Check to make sure that the IP address is set to the correct range for your network. If it isn’t, then the server won’t be able to access the Internet. You should alos check to make sure that the address is bound to the correct adapter, and that the subnet mask, default gateway, and DNS server specifications are correct.