Hello Dear
down votefavorite <http://stackoverflow.com/questions/36520163/datastax-opscenter-cant-connect-to-cassandra-all-hosts-tried-for-query-fail#> I have a two node and I installed DataStax OpsCenter on 10.5.0.201 but *I give error ( Unable connect to any seed nodes )* when I create new cluster on OpsCenter. Can you check my config ? *address.yaml ( 10.5.0.201 )* [image: enter image description here] <http://i.stack.imgur.com/9J9el.png> *address.yaml ( 10.5.0.203 )* [image: enter image description here] <http://i.stack.imgur.com/sFGtU.png> *nodetool status* [image: enter image description here] <http://i.stack.imgur.com/X8LJe.png> *DataStax OpsCenter* [image: enter image description here] <http://i.stack.imgur.com/rZq5v.png> *startup.log (10.5.0.201)* [image: enter image description here] <http://i.stack.imgur.com/dTCQI.png> *agent.log ( 10.5.0.201 )* [image: enter image description here] <http://i.stack.imgur.com/KxgkF.png> *Versions* - Python 2.6.6 - java version "1.8.0_74" - Java(TM) SE Runtime Environment (build 1.8.0_74-b02) Java HotSpot(TM) 64-Bit Server VM (build 25.74-b02, mixed mode) - OpsCenter 5.2.4 Best Regards
