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7. Troubleshooting
Error Code
W0406-101
W0400-102
7
W0406-104
W0406-104
W0406-104
W0406-104
254
Cause
Book is being used at another
location.
Authentication cannot be
completed because of the high
number of authentication
attempts.
Kerberos authentication failed
because the server or security
module is not functioning
correctly.
1. Cannot connect to the
authentication server.
2. A login name or password
error occurred.
3. A domain name error
occurred.
4. Cannot resolve the domain
name.
Solution
Wait a few minutes and then try
again.
If the situation does not return to
normal, make sure that an
authentication attack is not
occurring.
Notify the administrator of the
screen message by e-mail, and
check the system log for signs of
an authentication attack.
1. Make sure that the server is
functioning properly.
2. Make sure that the security
module is installed.
1. Make sure that connection to
the authentication server is
possible.
Use the PING Command to
check the connection.
Make sure that the user is
registered on the server.
Use a registered login user
name and password.
Make sure that the Windows
authentication domain name is
specified correctly.
Specify the IP address in the
domain name and confirm that
authentication is successful.
If authentication was
successful:
1. If the top-level domain name
is specified in the domain name
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