http://blogs.msdn.com/b/adpowershell/archive/2009/04/26/working-with-certificates.aspxAD Powershell uses .NET class X509Certificate to represent a certificate. Let's see how you can manage the certificates for a user. Update User Certificates You can create a X509Certificate (or X509Certificate2 ) object using the certificate fileen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/adpowershell/archive/2009/04/26/working-with-certificates.aspx#9570990Mon, 27 Apr 2009 18:16:22 GMT91d46819-8472-40ad-a661-2c78acb4018c:9570990Active Directory Powershell Blog (external)<p>AD Powershell uses .NET class X509Certificate to represent a certificate. Let&amp;#39;s see how you can manage</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=9570990" width="1" height="1">