# Migration to a new version

**URL:** <https://discuss.elastic.co/t/migration-to-a-new-version/7761>\
**Category:** Elasticsearch\
**Created:** [May 18, 2012, 2:58pm UTC](https://discuss.elastic.co/t/migration-to-a-new-version/7761 "2012-05-18T14:58:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![andrejl](https://avatars.discourse-cdn.com/v4/letter/a/7cd45c/32.png) [@andrejl](https://discuss.elastic.co/u/andrejl)\
**Post date:** [May 18, 2012, 2:58pm UTC](https://discuss.elastic.co/t/migration-to-a-new-version/7761/1 "2012-05-18T14:58:24Z")

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Hello,

I have a cluster which consists of 5 nodes.  
Could I migrate from version 0.19.2 to 0.19.3 step-by-step(node by node) without stopping whole cluster?  
Also is it necessary to reindex all documents?

Thanks in advance!

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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, 3:28am UTC](https://discuss.elastic.co/t/migration-to-a-new-version/7761/2 "2017-07-06T03:28:12Z")

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