# Elastic migration

**URL:** <https://discuss.elastic.co/t/elastic-migration/200971>\
**Category:** Elasticsearch\
**Created:** [September 25, 2019, 7:12am UTC](https://discuss.elastic.co/t/elastic-migration/200971 "2019-09-25T07:12:14Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![priiya21](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/priiya21/32/48371_2.png) [@priiya21](https://discuss.elastic.co/u/priiya21)\
**Post date:** [September 25, 2019, 7:12am UTC](https://discuss.elastic.co/t/elastic-migration/200971/1 "2019-09-25T07:12:14Z")

</div>

How to upgrade elastic search 2.4.1 to 7.3.2 without affecting the index ?

---

<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [September 25, 2019, 7:13am UTC](https://discuss.elastic.co/t/elastic-migration/200971/2 "2019-09-25T07:13:59Z")

</div>

Upgrading two major versions will require you to change mappings and reindex your data.

---

<div class="post-metadata">

**Author:** ![priiya21](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/priiya21/32/48371_2.png) [@priiya21](https://discuss.elastic.co/u/priiya21)\
**Post date:** [September 25, 2019, 7:19am UTC](https://discuss.elastic.co/t/elastic-migration/200971/3 "2019-09-25T07:19:09Z")

</div>

[https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-snapshots.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-snapshots.html)

But in this link, it has been mentioned that "snapshots of indices created in 2.x **cannot** be restored to 6.x or 7.x"

---

<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [September 25, 2019, 7:20am UTC](https://discuss.elastic.co/t/elastic-migration/200971/4 "2019-09-25T07:20:43Z")

</div>

Exactly, you will need to create updated mappings or index template and then reindex from remote. Snapshots will not work.

---

<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:** [October 23, 2019, 7:20am UTC](https://discuss.elastic.co/t/elastic-migration/200971/5 "2019-10-23T07:20:50Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.