• 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.
L0406-204
Kerberos authentication failed.
• Kerberos authentication settings are not correctly configured.
Make sure the realm name, KDC (Key Distribution Center) name, and supporting domain name are
specified correctly.
• 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.
• Kerberos authentication will fail if the realm name is specified in lower-case letters. Make sure the
realm name is specified in capital letters.
L0409-000
Authentication timed out because the server did not respond.
• Contact the server or network administrator.
• If the situation does not return to normal, contact your service representative.
L0511-000
The authentication server login name is the same as a user name already registered on the machine.
(Names are distinguished by the unique attribute specified in the LDAP authentication settings.)
• Delete the old, duplicated name or change the login name.
• If the authentication server has just been changed, delete the old name on the server.
L0606-004
Authentication failed because the user name contains language that cannot be used by general users.
• Do not use "other", "admin", "supervisor" or "HIDE*" in general user accounts.
L0607-001
An authentication error occurred because the Address Book is being used at another location.
• Wait a few minutes and then try again.
L0612-005
Authentication failed because no more users can be registered. (The number of users registered in the
Address Book has reached capacity.)
• Ask the user administrator to delete unused user accounts in the Address Book.
If an Error Code is Displayed
285