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Introduction >>     Configuration >>     Connecting >>     Terminal Window >>     File Transfer >>     Toolbar Reference >>     Menu Reference >>     Advanced Information >>     Troubleshooting >>         Error Dialogs At Startup>>         Error Dialogs During Operation >>             Authentication Failure             Confirm Disconnect             Confirm File Overwrite             Connection Failure             Disconnected; Authentication Error             Disconnection             Enter Passcode             Enter Passphrase For Private Key             Enter PIN             Error Renaming             Failed To Create An Incoming Tunnel             Host Identification             Host Identification Failed             New PIN             PAM Response             Password Needed for PFX Integrity Check             The Remote Host Uses SSH1 Protocol             Wrong Passphrase             Wrong Password - Enter Again         PKCS #11 Keys>>         SSH1 Specific Error Messages >>     Appendices >>

Authentication Failure

This error message indicates that the authentication process between your local computer and the remote host computer has for some reason failed.

The most common cause for failed authentication is an incorrect password, likely caused by a typing mistake.

Also the user name may be incorrect. Check that you have typed it correctly.

One possible reason for authentication failure is that the remote host computer may have been configured to require several authentication methods to be used. For example both password and public key authentication could be used for increased security. Even if you entered your password correctly, some other required authentication method could have failed. A relatively common situation is one where the remote host computer is expecting public-key authentication and you have not sent your public key to the host. You can do this by following the instructions in section Uploading Your Public Key.

It may also be possible that your account on the remote host computer has been disabled or that the remote host computer is having temporary problems causing errors with the login procedure.

Try to connect again and carefully type in your user name and password. If after a couple of retries you are sure that you have entered both of them correctly, contact the system administrator of the remote host computer.