CA Configuration
Winserver2012R2 Domain Contoller configure CA；refer to: http://www.cnblogs.com/coxiseed/p/9070923.html
IIS配置
WinServer2012r2 DDC machine confugure IIS；
1、Download CA certificate.
Input http://ADip/certsrv/ in the browser.
Install CA certifacate.
Finished install Domain certificate.
Site Bandings
