Troubleshoot Tip: Radius connection issue with FortiAuthenticator after FortiGate upgraded to 7.2.10/7.4.5
| Description | This article describes the Radius connection issue with FortiAuthenticator after FortiGate upgraded to 7.2.10 or 7.4.5. |
| Scope | FortiGate v7.2.10/v7.4.5, FortiAuthenticator v6.4.9, v6.5.5, v6.6.1 or older. |
| Solution | After FortiGate upgrades to v7.2.10/v7.4.5, it will show 'invalid secret for the server' under User & Authentication -> RADIUS Servers -> Edit the name.
Run debug in FortiGate with the command 'diagnose debug application fnbamd 255', it shows 'No Message Authenticator'.
Verify the FortiAuthenticator firmware version whether is v6.4.9, v6.5.5, v6.6.1 or older. If firmware v6.4.9, v6.5.5, v6.6.1 or older, then it is necessary to upgrade to version 6.4.10, 6.5.6, or 6.6.2 which will fix the issue.
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