# Error two nodes ES cluster

**URL:** <https://discuss.elastic.co/t/error-two-nodes-es-cluster/145703>\
**Category:** Elasticsearch\
**Created:** [August 23, 2018, 10:34am UTC](https://discuss.elastic.co/t/error-two-nodes-es-cluster/145703 "2018-08-23T10:34:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Priyaranjan\_Mudliar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/priyaranjan_mudliar/32/33726_2.png) [@Priyaranjan\_Mudliar](https://discuss.elastic.co/u/Priyaranjan_Mudliar)\
**Post date:** [August 23, 2018, 10:34am UTC](https://discuss.elastic.co/t/error-two-nodes-es-cluster/145703/1 "2018-08-23T10:34:32Z")

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I am trying to create two node ES cluster but i am unable to connect my data node to the master node.  
I have set "node.master = true" and "node.data=false" in my master node config and vice versa in my data node config. But while starting my data node i get the following error:

"[node-2] failed to send join request to master [{master}{5rnNpXRqTNy5PLAWkPZrJw}{WhQB38sQRmu5eltmjDS8yA}{10.27.25.134}{10.27.25.134:9300}{ml.machine\_memory=8589332480, ml.max\_open\_jobs=20, xpack.installed=true, ml.enabled=true}], reason [RemoteTransportException[[master][10.27.25.134:9300][internal:discovery/zen/join]]; nested: ConnectTransportException[[node-2][10.152.132.86:9300] connect\_exception]; nested: IOException[Connection refused: no further information: 10.152.132.86/10.152.132.86:9300]; nested: IOException[Connection refused: no further information]; ]"

Please Kindly Help. Thanks

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [September 20, 2018, 10:34am UTC](https://discuss.elastic.co/t/error-two-nodes-es-cluster/145703/2 "2018-09-20T10:34:34Z")

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