@Frank168
It would be difficult to say what the issue is without being able to see your authorizers.xml file and nifi-registry.properties file.
One common mistake I see individuals make is copying from their NiFi's authorizers.xml.
While they structurally are the same, NiFi-Registry has different class names for each provider in the authorizers.xml.
The next suggestion i often make is start by reading your authorizers.xml from the bottom up starting with the authorizer (I expect that will be the "managed-authorizer" for you). That managed-authorizer will reference another provider and that referenced provider will reference another provider and so on. What you are making sure is that there is a referenced path from the managed-authorizer to your ldap-user-group-provider and likely your user-group-provider as well. I have seen scenarios where the individual providers were all configured correctly; however, the authorizer was not actually using them because there was not referenced path to them.
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Thank you,
Matt
