Troubleshooting Tip: FortiSASE re-signing as Untrust certificate
| Description | This article describes why FortiSASE is re-signing the website with an Untrust certificate. |
| Scope | FortiSASE. |
| Solution | When accessing websites with deep-inspection is use and, the websites are complaining of a certificate issue even though the CA certificate of Fortinet_CA is installed.
Verify what certificate is presented to the browser. In this case, the Fortinet Untrusted CA is used.
Usually, this untrust certificate is due to FortiSASE not being able to resolve the FQDN. Verify FortiSASE is using a working DNS server for DNS resolution. |


