To resolve the issue, import the Ambari certificates to the Ambari truststore. To import the Ambari certificates, do the following: STEP 1: Get certificate from ambari-server echo | openssl s_client -showcerts -connect <AMBARI_HOst>:<AMBARI_HTTPs_PORT> 2>&1 | sed --quiet '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /tmp/ambari_certificate.cr STEP 2: Get path of ambari trustore and truststore password from Ambari properties cat /etc/ambari-server/conf/ambari.properties |grep truststore As per your ambari.properties below is the path and password :- ssl.trustStore.password=refer from ambari.property file ssl.trustStore.path=/etc/ambari-server/conf/ambari-server-truststore STEP 3: keytool -importcert -file /tmp/ambari_certificate.crt -keystore <keystore-path> STEP 4: ambari-server restart ... View more