White Papers
Table Of Contents
- Contents
- Change history
- Overview
- Securing network connections
- Managing devices remotely
- Managing login methods
- Restricting public access to functions, applications, printer management, and security options
- Using local accounts
- Using LDAP or LDAP+GSSAPI
- Using Kerberos
- Using Active Directory
- Creating LDAP, LDAP+GSSAPI, or Active Directory groups
- Editing or deleting LDAP, LDAP+GSSAPI, or Active Directory groups
- Understanding access controls
- Managing certificates
- Managing other access functions
- Securing data
- Troubleshooting
- User is locked out
- User is logged out automatically
- User cannot access applications or functions
- KDC and MFP clocks are out of sync
- Domain controller certificate is not installed
- KDC is not responding within the required time
- LDAP lookups fail
- Make sure that the server and firewall settings are configured to allow communication between the pr ...
- If reverse DNS lookup is not used in your network, then disable it in the Kerberos settings
- If the LDAP server requires SSL, then enable SSL for LDAP lookups
- Narrow the LDAP search base to the lowest possible scope that includes all necessary users
- Make sure that all LDAP attributes that are being searched for are correct
- Notices
- Index
Troubleshooting
User is locked out
Try one or more of the following:
Update the allowed number of login failures and lockout time
Note: This solution is applicable only in some printer models.
The user may have reached the allowed number of login failures.
1 From the Embedded Web Server, click Settings > Security > Login Restrictions.
2 Update the allowed number of login failures and the lockout time.
3 Click Save.
Note: Wait for the lockout time to pass before the new settings take eect.
Reset or replace the smart card
Check whether the type of smart card that you are using can be reset. If the card cannot be reset, then
replace the card.
User is logged out automatically
Increase the Screen Timeout value
1 From the Embedded Web Server, click Settings > Device > Preferences.
2 Increase the Screen Timeout value.
3 Click Save.
User cannot access applications or functions
Make sure that the user is assigned to a group that has access to the applications and
functions
For more information, see “Managing login methods” on page 12.
KDC and MFP clocks are out of sync
Make sure that the date and time settings on the printer are correct
For more information, see “Setting the date and time” on page 17.
Troubleshooting 30