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Solved: ISE Posture Update Failing


ISE Posture updates fail with the following error.


The issue is resolved by:

  • Ensuring that the posture update URL is valid
  • Ensure that proxy configuration is correct (if used)
  • Ensuring that ISE trusts the certificate presented by the URL
    • Navigate to the URL and make a copy of the certificate
    • Navigate to Administration > System > Certificates > Trusted Certificates and add the downloaded certificate to the Trusted Certificate store
    • Once uploaded, return back to ISE Posture Updates and update. You should no longer be presented with the above error


Kelvin is a Cyber Security professional with years and experience working with organisations in different verticals, both large and small. He enjoys contributing to the Network Wizkid knowledge base and he also creates technical content. Kelvin enjoys learning new things and often does this by working on achieving new technical certifications. He holds many professional certifications and academically, he has achieved a Bachelors and Master's degree in both Computer Networks and Cyber Security.

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