Fix an expired default server certificate

FortiAuthenticator

FortiAuthenticator provides centralized authentication services for the Fortinet Security Fabric including multi-factor authentication, single sign-on services, certificate management, and guest management.

Article Id 201750

Description

This article describes how to renew the default server certificate when the user receives an error stating that it has expired.

Scope

FortiAuthenticator.

Solution

To renew the expired certificate, choose one of the following actions:

1) Re-upload the license to FortiAuthenticator (causes a reboot).

2) Upgrade firmware (causes a reboot).

3) Reboot FortiAuthenticator.

4) If on firmware 6.4.2 and newer: In the CLI, run execute regen-cert.

Each option will renew the certificate.

Note:

This only affects the certificate that comes with the default factory build AND expired. It does not affect certificates that are externally signed and created.

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Troubleshooting Tip: Fix an expired default server certificate

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