https://community.cloudera.com/t5/Support-Questions/Nifi-LDAP-user-login-issue/m-p/371342#M240954 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/105103">@mks27</a>,<BR /><BR />To be really honest, when it comes to login and certificates, I am in no position to provide an input, as I never got to fully understand how they work <span class="lia-unicode-emoji" title=":disappointed_face:">😞</span><BR /><BR />While you are waiting for a better answer, from somebody with far more experience and knowledge as me, I would try the following:<BR />- Assuming that you configured LDAP authentication, I assume that you have the User and Policies Menu in your NiFi Menu (top Right).<BR />- Now, based on your error, I see that you are using the user mohit.kumar and you have no privileges to do anything.<BR />- What I would suggest is to login with the user which was provided as Initial Admin Identity and provide your user (mohit.kumar) with all the necessary roles to perform the action you are trying to perform.<BR /><BR />See: <A href="https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#initial-admin-identity" target="_blank">https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#initial-admin-identity</A><BR />Have a look here as well: <A href="https://pierrevillard.com/2017/01/24/integration-of-nifi-with-ldap/comment-page-1/" target="_blank">https://pierrevillard.com/2017/01/24/integration-of-nifi-with-ldap/comment-page-1/</A></P> Tue, 23 May 2023 08:21:20 GMT cotopaul 2023-05-23T08:21:20Z