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Troubleshooting Certificate Services in Windows Server: Logs, CA Errors & Certificate Validation
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Topic starter
22/07/2025 7:06 am
Steps to Validate a Certificate:
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Open certificate in MMC → Details tab
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Check:
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Issuer matches the correct CA
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Validity period is current
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Signature algorithm is valid (not SHA1)
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Click Certification Path tab:
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Ensure there are no red Xs in the chain
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Check Revocation Status:
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Ensure CRL or OCSP is reachable and up to date
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Use:
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certutil -verify certificate.cer
ip: Use certutil -urlfetch -verify to test both OCSP and CRL connections.