generate exchange certificate with CA in your organization Posted on February 16, 2012 by dpejic New-ExchangeCertificate -GenerateRequest – Domainname mail.mydomain.com, Services.mydomain.com, autodiscover.mydomain.com, webmail.mydomain.com, ServerName -FriendlyName mail.mydomain.com -PrivateKeyExportable: $True -path c:\Cert.req Import-ExchaneCertificate -path c:\certnew2.cer | Enable-ExchangeCertificate -Services IIS, SMTP #delete the existing certificate, which we replaced Remove-ExchangeCertificate -Thumbprint 08AEB1E82FF900AD1EA7E05999E2F10EFAFB10BA