Lexmark MS818 Embedded Web Server Administrator s Guide - Page 73
LDAP troubleshooting
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Troubleshooting 73 User is logged out automatically Increase the Panel Login Timeout interval 1 From the Embedded Web Server, click Settings > Security > Miscellaneous Security Settings > Login Restrictions. 2 Increase the time (in seconds) of the Panel Login Timeout setting. 3 Apply the changes. LDAP troubleshooting LDAP lookups take a long time and then fail This issue can occur during login (at "Getting User Info") or during address book searches. Try one or more of the following: Make sure that Port 389 (non‑SSL) and Port 636 (SSL) are not blocked by a firewall The printer uses these ports to communicate with the LDAP server. The ports must be open for LDAP lookups to work. Make sure that the LDAP search base is not too broad in scope Narrow the LDAP search base to the lowest possible scope that includes all necessary users. LDAP lookups fail almost immediately Try one or more of the following: Make sure that the Address Book Setup contains the host name for the LDAP server 1 From the Embedded Web Server, click Settings > Network/Ports > Address Book Setup. 2 Make sure that the host name (not the IP address) of the LDAP server specified in the Server Address field is correct. 3 Apply the changes. Make sure that the Address Book Setup settings are correct 1 From the Embedded Web Server, click Settings > Network/Ports > Address Book Setup. 2 If necessary, modify the following settings: • Server Port-Set this port to 636. • Use SSL/TLS-Select SSL/TLS. • LDAP Certificate Verification-Select Never. 3 Apply the changes.