Kerberos

Raised as a usability problem by 5 people on Hacker News over 10 years (2017–2026), in 5 threads.

People raised many different problems with Kerberos, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 5 complaints

Users must type passwords into Safari for web mail because Kerberos single sign-on doesn't work on mobile2026-04-19
Setting it up is highly complex and painful to get working2025-01-14
Failed Kerberos logins are very hard for developers to debug, relying on cookbook fixes2023-04-27
Setting up Kerberos is hard due to woeful error messages and many config pitfalls2017-06-26
When anything breaks in the setup, it is a nightmare to find where the error is2017-03-21