# APM Server achieve High availablity

**URL:** <https://discuss.elastic.co/t/apm-server-achieve-high-availablity/239991>\
**Category:** APM\
**Tags:** server\
**Created:** [July 6, 2020, 11:00am UTC](https://discuss.elastic.co/t/apm-server-achieve-high-availablity/239991 "2020-07-06T11:00:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ahmed\_Abdulaleem](https://avatars.discourse-cdn.com/v4/letter/a/90ced4/32.png) [@Ahmed\_Abdulaleem](https://discuss.elastic.co/u/Ahmed_Abdulaleem)\
**Post date:** [July 6, 2020, 11:00am UTC](https://discuss.elastic.co/t/apm-server-achieve-high-availablity/239991/1 "2020-07-06T11:00:11Z")

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how can I use `elasticsearch-certutil` to generate CSR if I have two APM servers behind the load balancer?

unfortunately, the documentation does not clear in this point  
how to use one DNS for two different instances.

`instances:

- name: "node1"  
ip:
  - "192.0.2.1"  
dns:
  - "[mydomain.com](http://mydomain.com)"

- name: "node2"  
ip:
  - "192.0.2.2"  
dns:
  - "[mydomain.com](http://mydomain.com)"`

is it true?

Thank In Advance

---

<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:** [August 3, 2020, 11:00am UTC](https://discuss.elastic.co/t/apm-server-achieve-high-availablity/239991/2 "2020-08-03T11:00:16Z")

</div>

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