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Message
Cannot access the LDAP
address book. The LDAPS
server certificate is not
correct.
Cannot access the LDAP
address book. The LDAPS
SSL/TLS client certificate is
not set.
Cannot access the LDAP
address book. The server
names of LDAPS and the
SSL/TLS certificate do not
match.
Cannot access the LDAP
address book. The time
settings of the printer and the
Kerberos server do not match.
Cannot connect to server.
Check the server settings.
Change the server settings
and check the server
connection.
Check the authentication
settings.
Cause
An SSL/TLS authentication error on
connection to the LDAP server; the
server certificate data is incorrect.
An SSL/TLS authentication error on
connection to the LDAP server; the
LDAP server cannot acquire an
SSL/TLS client certificate.
An SSL/TLS authentication error on
connection to the LDAP server; the
server certificate for the LDAP server
is not yet valid or has expired.
An SSL/TLS authentication error on
connection to the LDAP server; the
LDAP server name does not match
the certificate.
The printer and the Kerberos server
clocks have a time difference that
exceeds the Kerberos server clock
skew value.
The specified server settings such as
IP address and realm/domain name
are incorrect.
The LDAP or Kerberos version on the
server is not compatible with the
printer.
The server is down.
The printer cannot search for
destinations within the specified
time.
The login name and password for
access to an authentication server
are incorrect.
Action
Check the root certificate of the
LDAP server SSL/TLS certificate on
the printer.
Check that an SSL/TLS client
certificate is correctly imported into
the printer.
Change to a valid LDAP server
SSL/TLS certificate.
Set the LDAP server address on the
printer to match the address on the
LDAP server SSL/TLS certificate.
Check that the printer and the
Kerberos server clocks have the
correct time.
Make sure that the correct IP
address/host name, port number,
realm/domain name, and search
directory root are specified in IP
Address / Host Name & Port,
Domain Name, and Search
Directory Root on Dell Printer
Configuration Web Tool. See
"Kerberos Server" and "LDAP Server."
Contact your network administrator.
Check that the server is functioning
normally.
Increase the time setting for Search
Time-Out on Dell Printer
Configuration Web Tool. See
"Authentication System" and "LDAP
Server."
Check that the printer and the
server are properly connected with
an Ethernet cable. If there are not
any problems with the connection
and the error persists, the server
settings may have been changed.
Contact your network administrator.
Make sure that the correct login
name and password are specified in
Login Name and Password on Dell
Printer Configuration Web Tool. See
"Kerberos Server" and "LDAP Server."
Understanding Printer Messages
321
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