Certificate Enrollment Policy creation for Certificate Enrollment Policy Web Service (CEP) fails with error code "WS_E_ENDPOINT_NOT_FOUND".

Assume the following scenario:

• A Certificate Enrollment Policy Web Service (CEP) is implemented in the network.
• An enrollment policy is configured.
• Testing the connection fails with the following error message:

Certificate Request Processor: The remote endpoint does not exist or could not be located. 0x803d000d (-2143485939 WS_E_ENDPOINT_NOT_FOUND) 

The Certificate Enrollment Web Services (Certificate Enrollment Policy Web Service, CEP, and Certificate Enrollment Web Service, CES) enable the automatic request and renewal of certificates from a certification authority via a Web-based interface. This eliminates the need to contact the certification authority directly via Remote Procedure Call (RPC). For a more detailed description, see the article "Certificate request basics via Certificate Enrollment Web Services (CEP, CES)„.

Cause

Do you know TameMyCerts? TameMyCerts is an add-on for the Microsoft certification authority (Active Directory Certificate Services). It extends the function of the certification authority and enables the Application of regulationsto realize the secure automation of certificate issuance. TameMyCerts is unique in the Microsoft ecosystem, has already proven itself in countless companies around the world and is available under a free license. It can downloaded via GitHub and can be used free of charge. Professional maintenance is also offered.

This error usually occurs when the URL is misspelled. In the example above, there is a typo, so the wrong server was accessed.

Related links:

• Performing a functional test for the Certificate Enrollment Policy Web Service (CEP)