# Kibana upgrade failed with v8

**URL:** https://discuss.elastic.co/t/kibana-upgrade-failed-with-v8/361034
**Category:** Kibana
**Created:** [June 7, 2024, 11:54am UTC](https://discuss.elastic.co/t/kibana-upgrade-failed-with-v8/361034 "2024-06-07T11:54:21Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![padmavathi](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/padmavathi/32/134714_2.png) [@padmavathi](https://discuss.elastic.co/u/padmavathi)
#### Post date: [June 7, 2024, 11:54am UTC](https://discuss.elastic.co/t/kibana-upgrade-failed-with-v8/361034/1 "2024-06-07T11:54:21Z")

</div>

Hi,  
I have upgraded kibana v8 from 7.17.16.  
I am getting the below error .

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/6/b/6b2ce14a6c9e0cbba322ee76707d1f4b33ea02b2.png)

Error: [config validation of [elasticsearch].preserveHost]: definition for this key is missing

could you please help me.

Thanks.

---

<div class="post-metadata">

### Author: ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [June 7, 2024, 12:08pm UTC](https://discuss.elastic.co/t/kibana-upgrade-failed-with-v8/361034/2 "2024-06-07T12:08:41Z")

</div>

Duplicate of [Kibana upgrade failed - Error: [config validation of [elasticsearch].preserveHost]: definition for this key is missing](https://discuss.elastic.co/t/361032)

Let's keep the discussion there. Thanks.

---

<div class="post-metadata">

### Author: ![padmavathi](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/padmavathi/32/134714_2.png) [@padmavathi](https://discuss.elastic.co/u/padmavathi)
#### Post date: [June 7, 2024, 12:18pm UTC](https://discuss.elastic.co/t/kibana-upgrade-failed-with-v8/361034/3 "2024-06-07T12:18:59Z")

</div>

Thank you