Stop all services. See Stopping HDP Services in the HDP Reference Guide for details.

Change the proxy settings for the falcon user in the core-site.xml file to allow falcon to impersonate users and groups:

<property>
     <name>hadoop.proxyuser.falcon.groups</name>
     <value>*</value>
</property> 
 
<property>
     <name>hadoop.proxyuser.falcon.hosts</name>
     <value>*</value>
</property>

where:

hadoop.proxyuser.falcon.groups is a comma-separated list of the UNIX groups whose users may be impersonated by Falcon

hadoop.proxyuser.falcon.hosts is a comma-separated list of the hosts that are allowed to submit requests by Falcon

Start all Services. See Controlling HDP Services Manually in the HDP Reference Guide for details.