Advertise Window大小 注册表键值位于：regedit->
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters,
if rebooted the virtual ip will go away.
to remove virtual ip : ifconfig eth0:0 down
net start mysql
net start mssqlserver
原文：http://www.cnblogs.com/iamgoodman/p/3912013.html