KDC and MFP clocks are out of sync
This error indicates that the printer clock is more than five minutes out of sync with the domain controller clock.
MAKE SURE THAT THE DATE AND TIME SETTINGS ON THE PRINTER ARE CORRECT
1 From the Embedded Web Server, click Settings > Security > Set Date and Time.
2 If you have manually configured date and time settings, then adjust the settings if necessary. Make sure that the
time zone and daylight saving time settings are correct.
Note: If your network uses DHCP, then make sure that NTP settings are not automatically provided by the DHCP
server before manually configuring NTP settings.
3 If the printer uses an NTP server, then make sure that those settings are correct and that the NTP server is
functioning correctly.
4 Apply the changes.
Kerberos configuration file is not uploaded
This error occurs when PKI Authentication is configured to use the Device Kerberos Setup, but no Kerberos file has been
uploaded.
MAKE SURE THAT THE KERBEROS FILE HAS BEEN UPLOADED
1 From the Embedded Web Server, click Settings > Device Solutions > Solutions (eSF) > PKI Authentication >
Configure.
2 If you are using Simple Kerberos Setup, then clear Use Device Kerberos Setup, and then apply the changes.
3 If you are using a Kerberos configuration file, then do the following:
a From the Embedded Web Server, click Settings > Security > Security Setup > Kerberos 5.
b From the Import Kerberos File section, browse to the krb5.conf file, and then click Submit.
Cannot authenticate users
M
AKE SURE THAT THE REALM SPECIFIED IN THE KERBEROS SETTINGS IS IN UPPERCASE
1 From the Embedded Web Server, click Settings > Device Solutions > Solutions (eSF) > PKI Authentication >
Configure.
2 For Simple Kerberos Setup, make sure that the realm is correct and typed in uppercase.
3 If you are using a krb5.conf file, then make sure that the Realm entries in the configuration file are in uppercase.
Domain controller certificate is not installed
M
AKE SURE THAT THE CORRECT CERTIFICATE IS INSTALLED ON THE PRINTER
For information on installing, viewing, or modifying certificates, see “Installing a Certificate Authority certificate on
the device” on page 24.
Troubleshooting 60
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