Assume the following scenario:
- A role configuration for the Certificate Enrollment Policy Web Service (CEP) is performed using PowersShell (Install-AdcsEnrollmentPolicyWebService).
- The role configuration fails with the following error message:
Cannot validate argument on parameter 'SSLCertThumbprint'. The argument is null or empty. Provide an argument that is not null or empty, and then try the command again.
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 occurs if the argument SSLCertThumbprint no valid thumbprint for an SSL certificate was provided.