| Message Code | ASA-2-113022 |
| Severity | Critical |
| Description | AAA Marking RADIUS server server_name in aaa-server group AAA-Using-DNS as FAILED. |
| Explanation | This syslog message indicates that the security appliance has tried an authentication,authorization, or accounting request to the AAA server and did not receive a response within the configured timeout window. The AAA server will be marked as “failed” and has been removed from service. |
| User Action | Verify that the AAA server is online and is accessible from the security appliance. |
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