Users failed to authenticate with an error in authentication activity report, either from an historical report authentication activity report in the Security Console (Reporting > Reports) or from the real time authentication activity repoirt (Reporting > Real Time Activity Monitor > Authentication Activity Monitor)
Authentication method failed, passcode format error
The RADIUS log (available from the Operations Console under Administration > Download Troubleshooting Files) shows:
Unable to find user <user name> with matching password
Name resolution is confirmed for both forward and reverse lookup.
RADIUS client devices have some limitations for shared secrets.
Do not use special characters like dollar sign ($) for RADIUS shared secrets.
RSA Authentication Manager supports shared secrets of up to 127 alphanumeric characters, including spaces and the following special characters: