# Migrate ES 1.4.4 to ES 2.4

**URL:** https://discuss.elastic.co/t/migrate-es-1-4-4-to-es-2-4/72609
**Category:** Elasticsearch
**Created:** [January 24, 2017, 10:11am UTC](https://discuss.elastic.co/t/migrate-es-1-4-4-to-es-2-4/72609 "2017-01-24T10:11:18Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![TTNarendran](https://avatars.discourse-cdn.com/v4/letter/t/59ef9b/32.png) [@TTNarendran](https://discuss.elastic.co/u/TTNarendran)
#### Post date: [January 24, 2017, 10:11am UTC](https://discuss.elastic.co/t/migrate-es-1-4-4-to-es-2-4/72609/1 "2017-01-24T10:11:18Z")

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Hi Team,  
Please find the mapping in 1.4.4  
{  
"sample": {  
"dynamic\_templates": [  
{  
"template\_default": {  
"mapping": {  
"fields": {  
"raw": {  
"type": "string",  
"index": "not\_analyzed"  
}  
}  
},  
"match": "\*"  
}  
}  
],  
"\_timestamp": {  
"enabled": true,  
"store": true  
},  
"properties": {  
"@context": {  
"properties": {  
"name": {  
"type": "string",  
"fields": {  
"raw": {  
"type": "string",  
"index": "not\_analyzed"  
}  
}  
},  
"school": {  
"type": "string",  
"fields": {  
"raw": {  
"type": "string",  
"index": "not\_analyzed"  
}  
}  
}  
}  
Need to migrate to the 2.4.0 , kindly help me to modify the \_timestamp field to date.

---

<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: [February 21, 2017, 10:11am UTC](https://discuss.elastic.co/t/migrate-es-1-4-4-to-es-2-4/72609/2 "2017-02-21T10:11:23Z")

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