Ricoh IM 4000 User Guide - Page 296

10. Troubleshooting Message "Authentication has failed." W/L0511-000 W0517-000 "Authentication has failed." W/L0606-004 "Authentication has failed." W/L0607-001 "Authentication has failed." W/L0612-005 "Authentication has failed." W/L0707-001 "Authentication has failed." B/W/L0913-023 Cause Solution and reference The user registered on the machine has the same name as another user distinguished by the unique attribute of the authentication server. • Delete the older user that is redundant, or change the login name. • If the message is displayed after switching the authentication server, delete the user on the old server. A user name that cannot be specified in the login user name was specified. Do not use "other", "admin", "supervisor", or "HIDE*" in user account names. Web Image Monitor or another method was used to edit or create a backup of the address book. Wait a while. The number of users registered in the address book has reached the upper limit, and autoregistration failed. Ask the user administrator to delete users that are no longer needed from the address book. Web Image Monitor or another method was used to edit or create a backup of the address book. Wait a while. Auto-registration of a user on the server machine has failed when authentication was performed on the client machine using Central Management. • Check the network communication between the client and server machines. • Registration cannot be performed while the address book of the server machine is being edited. *1 When obtaining user groups, check the following: • The user account that can obtain user groups is sAMAccountName (user). Do not use UserPrincipalName ([email protected]) as the user name. 294