# Need to Migrate Elastic 5.5 to Elastic 6.3 using NEST api

**URL:** <https://discuss.elastic.co/t/need-to-migrate-elastic-5-5-to-elastic-6-3-using-nest-api/162129>\
**Category:** Elasticsearch\
**Created:** [December 26, 2018, 10:41am UTC](https://discuss.elastic.co/t/need-to-migrate-elastic-5-5-to-elastic-6-3-using-nest-api/162129 "2018-12-26T10:41:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mahendra\_mcsa](https://avatars.discourse-cdn.com/v4/letter/m/41988e/32.png) [@mahendra\_mcsa](https://discuss.elastic.co/u/mahendra_mcsa)\
**Post date:** [December 26, 2018, 10:41am UTC](https://discuss.elastic.co/t/need-to-migrate-elastic-5-5-to-elastic-6-3-using-nest-api/162129/1 "2018-12-26T10:41:10Z")

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Need to Migrate Elastic 5.5 to Elastic 6.3 using NEST api. We need a compare list between two version.  
For example : Nest.ISearchResponse . Documents is not working with Elastic 6.3

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**Author:** ![forloop](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/forloop/32/9021_2.png) [@forloop](https://discuss.elastic.co/u/forloop)\
**Post date:** [December 28, 2018, 1:14am UTC](https://discuss.elastic.co/t/need-to-migrate-elastic-5-5-to-elastic-6-3-using-nest-api/162129/2 "2018-12-28T01:14:18Z")

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Take a look at the [breaking changes documentation between 5.x and 6.0](https://www.elastic.co/guide/en/elasticsearch/client/net-api/current/nest-breaking-changes.html). This document was generated from comparing the latest 5.x version that was released at the time that 6.0 GA was released, and includes additions, deletions and member changes in NEST.

You could also use [AssemblyDiffer](https://github.com/nullean/AssemblyDiffer) to generate the changes between any two nuget package releases, for example, between 5.5.0 and 6.4.1.

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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:** [January 25, 2019, 1:14am UTC](https://discuss.elastic.co/t/need-to-migrate-elastic-5-5-to-elastic-6-3-using-nest-api/162129/3 "2019-01-25T01:14:28Z")

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