When a certificate is checked, the system looks at the extension to find where to download the latest revocation list. If it's an LDAP path and it fails, the culprit is usually one of the following: Root CA - Unable to download CDP Location #1 - PKI
The "LDAP CDP location unable to download" error is a common headache for PKI administrators, typically surfacing in the console. It indicates that your Certificate Authority (CA) or clients cannot reach the Certificate Revocation List (CRL) published in Active Directory via LDAP . Why This Error Happens ldap cdp location unable to download