To resolve this issue, the expired certificate must be updated or replaced with a new, valid certificate from the same root CA.

The system clock or the timestamp in the signed file indicates that the certificate has passed its validity period.

This means that the certificate is no longer considered trusted and secure, and is not valid for authentication or encryption. This error message is indicating that the root certificate authority (CA) for the certificate chain for 'xxxx Enterprise CA' has expired. I’d be more than happy to help you with your query. Thank you for your question and reaching out. This will help us and others in the community as well. Please Accept the answer if the information helped you. If your certificate has already expired, you must request a new certificate instead of renewing the existing certificate. A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file.' This message will also be displayed in the Failed Requests node of the issuing CA. If you try to renew a certificate that has expired, the certification authority (CA) will reject the request, and you will see an error message similar to 'Error Verifying Request Signature or Signing Certificate. You cannot renew a certificate that has already expired. Also you will have to reissue the CRL and copy it to the issuing CA and other AIA and CDP locations as per the process.

It seems the Certificate is expired and you tried to renew it? I will request you to read this and request a generate a new Certificate instead of renewing expired certificate process.

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