# Elastic-agent unhealthy

**URL:** <https://discuss.elastic.co/t/elastic-agent-unhealthy/276976>\
**Category:** Kibana\
**Created:** [June 24, 2021, 7:59pm UTC](https://discuss.elastic.co/t/elastic-agent-unhealthy/276976 "2021-06-24T19:59:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Xtrem](https://avatars.discourse-cdn.com/v4/letter/x/df788c/32.png) [@Xtrem](https://discuss.elastic.co/u/Xtrem)\
**Post date:** [June 24, 2021, 7:59pm UTC](https://discuss.elastic.co/t/elastic-agent-unhealthy/276976/1 "2021-06-24T19:59:05Z")

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Hi,

I am currently testing version 7.12 of Elasticsearch and Kibana and have installed the Elastic-agent on two linux server and one Windows server. All the servers are "Unhealthy" but no datareaches elasticsearch.  
When i look at the logs of my Elasticsearch node, i find this : "stacktrace": ["io.netty.handler.codec.DecoderException: javax.net.ssl.SSLHandshakeException: Received fatal alert: bad\_certificate"

Do you know how to resolve that problem.

Thanks

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<div class="post-metadata">

**Author:** ![Xtrem](https://avatars.discourse-cdn.com/v4/letter/x/df788c/32.png) [@Xtrem](https://discuss.elastic.co/u/Xtrem)\
**Post date:** [June 24, 2021, 8:02pm UTC](https://discuss.elastic.co/t/elastic-agent-unhealthy/276976/2 "2021-06-24T20:02:21Z")

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Sorry, all the server are healthy.  
I specify that this occurs when I set the address of the elasticsearch node in HTTPS in the fleet settings

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 22, 2021, 8:02pm UTC](https://discuss.elastic.co/t/elastic-agent-unhealthy/276976/3 "2021-07-22T20:02:52Z")

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