Exchange多域名证书申请1.生成新证书请求New-ExchangeCertificate -DomainName mail.ibrcn.com, autodiscover.ibrcn.com, ibrsz-exch03.ibrcn.com -Path c:/certreq.txt -GenerateRequest:$True-PrivateKeyExportable $true2.把生成的certreq.txt在企业自己的证书机构申请证书（如：http://ibrsz-dc01/certsrv)注：在saved request中，在certificate template中选择web server，点击submit，选择Base 64 encoded，点击download certificate，生成certnew.cer3.导入并启用证书Import-ExchangeCertificate -path c:/certnew.cer | enable-ExchangeCertificate -services IIS,SMTP,UM
