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1) Typical failure reasons:
- The corresponding password-changing procedure is different with SSH Server.
When this scenario happens, PAM GUI shows the error 'Not matching as step [x]'.
- Failed to connect with SSH Server.
When this scenario happens, PAM GUI shows the error 'Connection Failure'.
- Username and password/key are incorrect with SSH Server.
When this scenario happens, PAM GUI shows the error 'LIBSSH2_ERROR_Authentication_Failed'.
- The New Password generated by PAM does not meet SSH Server requirements.
When this scenario happens, PAM can show different errors: 'Not matching as step [x]' or 'LIBSSH2_ERROR_Authentication_Failed'.
2) How to debug Password Changer Failure:
- Using debug command to debug password changing :
# diag debug en
# diag wad debug enable category pwdchg
# diag wad debug enable level verbose
After the debug finishes, run the command 'diag wad debug clear'.
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