@Yong  Kindly ssh to the Atlas Server node and perform the below commands: - cd  /var/run/cloudera-scm-agent/process/XXXXXXX-atlas-ATLAS_SERVER/conf Note: XXXXXX is a numerical number of the latest Atlas server process dir. - solrctl instancedir --create atlas_configs solr (this will create a config vertex_index using the configs in solr folder in /var/run/cloudera-scm-agent/process/XXXXXXX-atlas-ATLAS_SERVER/conf). - Restart Atlas Service and verify if the issue is resolved. ... View more