--- title: "Error Code 12170 A certificate has been revoked" slug: "error-code-12170-a-certificate-has-been-revoked" updated: 2023-01-06T15:49:41Z published: 2023-01-06T15:49:41Z canonical: "docs.catchpoint.com/error-code-12170-a-certificate-has-been-revoked" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.catchpoint.com/llms.txt > Use this file to discover all available pages before exploring further. # Error Code 12170 A certificate has been revoked ## Overview The error **"[12170] - A certificate has been revoked"** indicates an issue validating a certificate with the Certificate Authority, and it is important to verify and confirm the certificate's revocation status. ## Tools for verification The following tools can be used to check the revocation status of the certificate: - [Revocation Check](https://certificate.revocationcheck.com/) - [Qualys SSL Server Test](https://www.ssllabs.com/ssltest/analyze.html?%20) These tools will display various information about the certificate for the corresponding domain name, along with the revocation status. See the following screenshots for examples: ![kb_ssl.png](https://cdn.document360.io/cb4af8f9-6751-4fd2-b39c-07aae832badb/Images/Documentation/360094645631-kb_ssl.png) ![](https://cdn.document360.io/cb4af8f9-6751-4fd2-b39c-07aae832badb/Images/Documentation/360001954672-blobid1.png) The revocation status confirms whether the certificate is revoked, or if it is an issue with the Certificate Authority.