Toshiba e-STUDIO556 Service Manual page 777

Check item
Setting
[8127] Domain authentication error: Invalid logon hours
Classification
Network error
Check item
Setting
[8128]
Active Directory domain authentication error: Time delay between server and equipment
Classification
Network error
Check item
Setting
[8129]
Active Directory domain authentication error: Expired Kerberos ticket
Classification
Network error
Check item
Setting
[812A]
Active Directory domain authentication error: Kerberos ticket authentication error
Classification
Network error
Check item
Setting
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Check the account lockout setting of the server.
The logon hour is invalid and not available for login for domain
authentication.
Check the logon hour setting for the user account noted in the Active
Directory Users and Computers window.
There is a difference of 5 minutes or longer between the time settings of
this equipment and the server, and therefore the login is not available for
Active Directory domain authentication.
Set the time of this equipment and that of the domain controller the same.
SNTP is recommended if there is an SNTP server in the network.
The Kerberos ticket is expired and not available for login for Active
Directory domain authentication.
Check if the Kerberos ticket on the Kerberos server is expired.
Login is not available for Active Directory domain authentication due to a
Kerberos ticket authentication error.
Check if the user name and the password for this equipment are correct. If
the error still occurs, ask your Windows Server administrator.
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e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
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