Ricoh Aficio MP C2050 Operating Instructions Manual page 236

9. Troubleshooting
Error Code
L0406-202
L0406-203
9
L0406-204
234
Cause
3. There is an error in the simple
encryption method.
Kerberos authentication failed.
Solution
If the login user name exceeds
128 bytes.
1. Authentication will fail if the
password is left blank in simple
authentication mode.
To allow blank passwords,
contact your service
representative.
2. In simple authentication
mode, the DN of the login user
name is obtained in the user
account.
Authentication fails if the DN
cannot be obtained.
Make sure there are no errors
in the server name, login user
name/password, or
information entered for the
search filter.
1. Kerberos authentication
settings are not correctly
configured.
Make sure the realm name,
KDC (Key Distribution Center)
name, and supporting domain
name are specified correctly.
2. The KDC and machine timing
do not match.
Authentication will fail if the
difference between the KDC
and machine timing is more
than 5 minutes. Make sure the
timing matches.
3. Kerberos authentication will
fail if the realm name is
specified in lower-case letters.
Make sure the realm name is
specified in capital letters.