REGEDIT4

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
"BSDUrgent"="0"
"Tcp1323Opts"="1"
"DefaultRcvWindow"="256960"
"DefaultTTL"="64"
"PMTUDiscovery"="1"
"PMTUBlackHoleDetect"="0"
"SackOpts"="1"
"EnableRouting"="1"
"RoutingPackets"="100"

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP\Parameters]
"MaxDupAcks"=dword:00000003

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPer1_0Server"=dword:00000016
"MaxConnectionsPerServer"=dword:00000008

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\NetTrans\0000]
"MaxMTU"="1500"