I setup a 2008 server as ADCS server(CA) My Device configured with a certificate(with private key) signed by the CA. When try to import the CRL from this ADCS server. It always fail with the above event. I have successfully retrived CRL from the ADCS server to this device by HTTP and LDAP. Don't know why it always fail with SCEP. retrievel URL is http://<ip>/certsrv/mscep/mscep.dll Thanks Paul

This may help: http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a008073b12b.shtml

Hi, Please refer to the "Setting Up and Configuring the Network Device Enrollment Service" section in this article to check if the steps you used are correct: http://technet.microsoft.com/en-us/library/cc772393(WS.10).aspx If the problem continues, to get a better understanding, please paste the relevant event log. Regards, Bruce Forum Support Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.