Repair/Reset Winsock settings

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Windows XP Service Pack 2 - New Winsock NETSH commands

Two new Netsh commands are available in Windows XP Service Pack 2.

 

netsh winsock reset catalog

 

This command resets the Winsock catalog to the default configuration. This can be useful if a malformed LSP is installed that results in loss of network connectivity. While use of this command can restore network connectivity, it should be used with care because any previously-installed LSPs will need to be re-installed.

netsh winsock show catalog

http://windowsxp.mvps.org/winsock.htm