Hi,

28.06.2017 01:43 - Jeff Johnson schrieb:
> I performed an upgrade on a functional 4.0.13 OTRS system (Linux, MySQL, RHEL6.7)
> to OTRS v5.0.20. I followed the upgrade process in the OTRS v5 HTML manual.
>
> The upgrade appears to have worked but the Agent UI in the browser is still the
> "OTRS 4 Free" theme.

Delete Caches, Loader Caches, Delete your browser history (try with private window)

Check the logs

regards,

--
Florian