https://community.cloudera.com/t5/Support-Questions/Fail-to-start-ResourceManger-role/m-p/367010#M239749 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/103713">@BrianChan</a>&nbsp;glad to know the issue is resolved. We do not recommend to disable kerberos once you have it enabled. The process is a complex one and we recommend to work with our support team if you have an active subscription. Also enabling kerberos for few services enabled is not supported.</P><P>At high level, you need to work through&nbsp;<A href="https://docs.cloudera.com/cdp-private-cloud-base/7.1.6/security-how-to-guides/topics/cm-security-using-cm-sec-config.html" target="_blank">https://docs.cloudera.com/cdp-private-cloud-base/7.1.6/security-how-to-guides/topics/cm-security-using-cm-sec-config.html</A></P><P>There are additional steps to delete znodes for hbase , t<SPAN>he znodes for High Availability(HA) must be deleted if more than one JobTracker role is configured, the znodes for High Availability(HA) must be deleted if HDFS HA is enabled.<BR /></SPAN>Also ensure your /etc/krb5.conf remains same across all nodes if you are not managing this from Cloudera Manager.</P><P>&nbsp;</P><P><SPAN>Hope this helps,</SPAN><BR /><SPAN>Paras</SPAN><BR /><STRONG><I>Was your question answered? Make sure to mark the answer as the accepted solution.</I></STRONG><BR /><STRONG><I>If you find a reply useful, say thanks by clicking on the thumbs up button.</I></STRONG></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 27 Mar 2023 14:29:49 GMT paras 2023-03-27T14:29:49Z