TCP Support for RFC 1191 Path MTU Discovery

Registry Tip #292: TCP Support for RFC 1191 Path MTU Discovery

Hits: Failed to execute CGI : Win32 Error Code = 3

Hive: HKEY_LOCAL_MACHINE
Key: System\CurrentControlSet\Services\VxD\MSTCP
Name: PMTUDiscovery
Type: REG_DWORD
Value: 1 enabled = default