# Elasticsearch 1.0.0	 Service Unavailable

**URL:** <https://discuss.elastic.co/t/elasticsearch-1-0-0-service-unavailable/87361>\
**Category:** Elasticsearch\
**Created:** [May 28, 2017, 12:29pm UTC](https://discuss.elastic.co/t/elasticsearch-1-0-0-service-unavailable/87361 "2017-05-28T12:29:56Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [May 29, 2017, 5:07am UTC](https://discuss.elastic.co/t/elasticsearch-1-0-0-service-unavailable/87361/4 "2017-05-29T05:07:17Z")

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> [@warkolm](#):
>
> You really need to upgrade. 1.0.0 is EOL

Well. In a trace it's written 2.4.1

Not sure what to think 🙂

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