New solution: System Center Mobile Device Manager 2008 SP1 device certificate renewal request fails after 12 monthshttp://blogs.technet.com/b/mdm/archive/2010/07/12/new-solution-system-center-mobile-device-manager-2008-sp1-device-certificate-renewal-request-fails-after-12-months.aspxAfter being enrolled for a year, a System Center Mobile Device Manager (SCMDM) managed device may fail to renew its client certificate.&#160; As a result it will fail to connect to the SCMDM VPN successfully. Additionally, the issuing Certificate Authorityen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)re: New solution: System Center Mobile Device Manager 2008 SP1 device certificate renewal request fails after 12 monthshttp://blogs.technet.com/b/mdm/archive/2010/07/12/new-solution-system-center-mobile-device-manager-2008-sp1-device-certificate-renewal-request-fails-after-12-months.aspx#3361928Thu, 14 Oct 2010 09:59:18 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3361928SebCH<p>Hi,</p> <p>I applied this resolution but my devices are not renewing theire certificates.</p> <p>I use a root CA 2008 and I&#39;m wondering if this isn&#39;t the cause of my problems. </p> <p>There is configuration step for a 2003 CA in SCMDM documemtation but nothing about Windwos 2008 CA and IIS 7 ?</p> <p>Can you help me ?</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3361928" width="1" height="1">