Error 'Authentication method failed passcode format error'
Originally Published: 2009-04-09
Last Modified: 2026-01-14
Article Number
Applies To
RSA Product Set: SecurID
RSA Product/Service Type: Authentication Manager, RSA Radius Server
RSA Version/Condition: 8.x
Issue
Error shown in RSA Authentication Manager logs "Authentication method failed, passcode format error", when authenticating using Radius
Resolution
There is a Radius shared secret mismatch.
Make sure the shared secret matches between the Radius Server and the RSA Radius client.
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