DAG
内部网卡
配置DAG见证服务器
见证服务器为DC02
将安全组Exchange Trusted Subsystem加入为DC02的administrators组成员
New-DatabaseAvailabilityGroup -Name 'DAG02' -WitnessServer 'DC02.CFEXC.COM' Set-DatabaseAvailabilityGroup -Identity DAG02 –DatabaseAvailabilityGroupIpAddresses 192.168.7.102
