After installing SP2 on Windows XP I can no longer develop IntraWeb applications unless I am connected to a network or have a dialup connection established. What can I do to fix this?
It’s a “feature” of WinXP called DHCP Media Sense, that automatically disables the TCP/IP stack whenever there is no network connection. This can be turned off by adding a key to the Windows Registry. Open the Registry Editor and locate this node: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters Add a new DWORD key named DisableDHCPMediaSense with a value of 1. To re-enable Media Sense, change the value to 0. Warning: If you connect and reconnect to wire based networks this may cause problems in reestablishing DHCP addresses. After making this change you may find it necessary to retrieve a new IP address manually using ipconfig. Dialup users with no wire based connections can probably make this change without noticeable effect.
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