Basic Authentication

A TWAIN operation occurred during authentication.

• Make sure no other user is logged on to the machine, and then try again.

Failed to decrypt password.

• A password error occurred.

  Make sure the password is entered correctly.

• Either [DES] or [AES] is selected for "Driver Encryption Key: Encryption Strength".

  You can make access by specifying the driver encryption key.

• A driver encryption key error occurred.

  Make sure that the encryption key is correctly specified on the driver.

A login user name or password error occurred.

• Make sure the login user name and password are entered correctly and then log in.

The user attempted authentication from an application on the "System Settings" screen, while only the administrator has authentication privileges.

• Only the administrator has login privileges on this screen.

• Log in as a general user from the application's login screen.

An authentication error occurred because the user name contains a space, colon (:), or quotation mark (").

• Create the account again if the account name contains any of these prohibited characters.

• If the account name was entered wrongly, enter it correctly and log in again.

An authentication error occurred because the Address Book is being used at another location.

• Wait a few minutes, and then try again.

The account is locked because the number of allowed authentication attempts has its maximum.

• Ask the user administrator to unlock the account.

Automatic user registration on the server failed when an access from the client using the Central Management function was authenticated.

• Check the network connection between the client and the server.

• Users cannot be registered while the address book on the server is being edited.