@RRosa  That particular exceptions seems to point an issue with the ldap-provider configuration in your nifi-registry possible related to the manager DN property not being set. Would need to see your nifi-registry.properties and authorizers.xml to provide more context around the above exception. Yes, OIDC is supported in NiFi-Registry 1.19.1.  When access in a secured (TLS/SSL Enabled) NiFi-Registry, the UI is displayed as the "anonymous" user.  Only "public" buckets will be visible.  In order to login via OIDC, you would need to click on the login via OIDC link in the UI. OIDC properties: nifi.registry.security.user.oidc.discovery.url= nifi.registry.security.user.oidc.connect.timeout=5 secs nifi.registry.security.user.oidc.read.timeout=5 secs nifi.registry.security.user.oidc.client.id= nifi.registry.security.user.oidc.client.secret= nifi.registry.security.user.oidc.preferred.jwsalgorithm= nifi.registry.security.user.oidc.additional.scopes= nifi.registry.security.user.oidc.claim.identifying.user= If you found that the provided solution(s) assisted you with your query, please take a moment to login and click Accept as Solution below each response that helped. Thank you, Matt ... View more