Hue desktop.auth.backend

I inherited an older Hue setup that I must support for the next year and people just recently started having login failures. When I look in the hue.ini
I’m seeing this for the auth backend

I can’t find anything anywhere about that particular backend so will assume it is custom. Can someone please advise how to go about looking and troubleshooting it?

This is hue 2.5.0 (again I have to support it for just a year before the new system is build.


is indeed not part of upstream Hue:

You would need to share the code and logs for more help.