I get this error when browsing for a Subordinate CA certificate. Here's where I'm at: Stand Alone Offline Root CA installedRoot CA cert in trusted authorities on subordinate CAInstalled ADCS on subordinate using EnterpriseGenerated a .req file for the offline rootSubmitted request to offline root and extracted cert to USB driveInserted USB drive to subordinate CA and attempted to start ADCS in where it prompted me for the certI browsed to the USB drive with the cert and I get the error "The certificate is not a CA certificate" followed by an error "The data is invalid. 0x8007000d (WIN32: 13) Any ideas?

open the certificate and verify if you have exported right certificate. Also, check whether the Basic Constraints extension is included.My weblog: http://en-us.sysadmins.lv PowerShell PKI Module: http://pspki.codeplex.com Windows PKI reference: on TechNet wiki