# Watcher ES version

**URL:** <https://discuss.elastic.co/t/watcher-es-version/1087>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-alerting\
**Created:** [May 21, 2015, 1:21pm UTC](https://discuss.elastic.co/t/watcher-es-version/1087 "2015-05-21T13:21:44Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Derry\_O\_Sullivan](https://avatars.discourse-cdn.com/v4/letter/d/7bcc69/32.png) [@Derry\_O\_Sullivan](https://discuss.elastic.co/u/Derry_O_Sullivan)\
**Post date:** [May 21, 2015, 1:21pm UTC](https://discuss.elastic.co/t/watcher-es-version/1087/1 "2015-05-21T13:21:44Z")

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Does Watcher have a 'minimum' elasticsearch version?

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**Author:** ![mvg](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mvg/32/98890_2.png) [@mvg](https://discuss.elastic.co/u/mvg)\
**Post date:** [May 21, 2015, 1:36pm UTC](https://discuss.elastic.co/t/watcher-es-version/1087/2 "2015-05-21T13:36:05Z")

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Yes, the minimum ES version is 1.5.0. Older versions are not supported.

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**Author:** ![mvg](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mvg/32/98890_2.png) [@mvg](https://discuss.elastic.co/u/mvg)\
**Post date:** [May 21, 2015, 1:41pm UTC](https://discuss.elastic.co/t/watcher-es-version/1087/3 "2015-05-21T13:41:11Z")

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The emphasise this: the minimum version of the cluster Watcher is installed  
into must 1.5.0 or higher, but by using the http input in your watches,  
you're able to query other clusters that are on older ES versions.

On Thu, May 21, 2015 at 3:33 PM, Martijn van Groningen [martijn@elastic.co](mailto:martijn@elastic.co)  
wrote:

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**Author:** ![Derry\_O\_Sullivan](https://avatars.discourse-cdn.com/v4/letter/d/7bcc69/32.png) [@Derry\_O\_Sullivan](https://discuss.elastic.co/u/Derry_O_Sullivan)\
**Post date:** [May 21, 2015, 1:55pm UTC](https://discuss.elastic.co/t/watcher-es-version/1087/4 "2015-05-21T13:55:53Z")

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Thanks for that, Martin!

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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 6, 2017, 1:50pm UTC](https://discuss.elastic.co/t/watcher-es-version/1087/5 "2017-07-06T13:50:01Z")

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