OCSP issue in MS CA RRS feed

  • Question

  • Scenario:

    Platform : Domain is on Windows 2016 and Functional level for both domain and forest level is windows 2012R2. CS server is Windows 2016. Currently we have two enterprise PKI env. 

    Old Env: Single Server served as Root CA and Issuing CA

    New Env: Two layer architecture: Offline Root CA   and   Enterprise Issuing CA 

    Requirement: To fix the OCSP issue in MS CA. CDP and AIA is working but OCSP validation have issue. Though OCSP configuration showing no error.


      ----------------  Certificate OCSP  ----------------

      Failed "OCSP" Time: 0

        Error retrieving URL: Method not allowed (405). 0x80190195 (-2145844843 HTTP_E_STATUS_BAD_METHOD)

        The Email Security system has identified and removed an uncategorised URL in the email

    Also PKI view shows below error:

    Any suggestions would be highly appreciated. Thank you.



    Tuesday, July 23, 2019 3:52 PM


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