To enable LDAP authentication for HiveServer2 unmanaged clusters, you have to set certain hive properties. Open the hive-site.xml file and add the following properties:
<property>
<name>hive.server2.authentication</name>
<value>LDAP</value>
</property>
<property>
<name>hive.server2.authentication.ldap.url</name>
<value>LDAP_URLL</value>
</property>
<property>
<name>hive.server2.authentication.ldap.Domain</name>
<value>AD_DOMAIN_ADDRESS</value>
</property>