Configure for Kerberos (Windows only)
Follow these steps to force Thunderbird to use Kerberos for Windows:
- Select Tools > Options, and then click Advanced.
- Click Config Editor...

- A dialog box similar to the following appears. Scroll through the list and right-click on the preference named network.auth.use-sspi.

- Select Toggle from the pull down menu to change the value from true to false.
- Close the Config Editor window and click OK to close the Options dialog box.
Last Updated: 6/2/06