Firefox 91.x - enterprise_only policies are not applied ("Policy ${policyName} is only allowed on ESR.

Solution In Progress - Updated 2022-07-15T16:26:32+00:00 -

Issue

Why SearchEngines Settings in policies.json are not applied in Firefox 91.5.0 esr?
How to remove search providers (like Bing, Amazon)?
How to define own providers (company internal) via policies.json?
Firefox 91.5.0 esr shows the below error message:

"Policy SearchEngines is only allowed on ESR" on the about:policies page in firefox esr.

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.