# Upgraded to RHEL8 and cant start the instances or create new deployements

**URL:** <https://discuss.elastic.co/t/upgraded-to-rhel8-and-cant-start-the-instances-or-create-new-deployements/320597>\
**Category:** Elastic Cloud Enterprise (ECE)\
**Created:** [December 6, 2022, 2:44pm UTC](https://discuss.elastic.co/t/upgraded-to-rhel8-and-cant-start-the-instances-or-create-new-deployements/320597 "2022-12-06T14:44:07Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![mahesthogarpally](https://avatars.discourse-cdn.com/v4/letter/m/9dc877/32.png) [@mahesthogarpally](https://discuss.elastic.co/u/mahesthogarpally)\
**Post date:** [December 6, 2022, 2:44pm UTC](https://discuss.elastic.co/t/upgraded-to-rhel8-and-cant-start-the-instances-or-create-new-deployements/320597/1 "2022-12-06T14:44:07Z")

</div>

we have recently upgraded the OS on all of our servers to rhel 8.5,(3 directors/coordinators , 3 proxies,2 load balancers and 6 allocators). After the upgrade i noticed that i am not able to create a new deployment(cluster) on the GUI. When i try to create one...the instances are being created but they are not running, It shows  
"Plan change failed: Some instances were not running"

```auto
{
  "instance-0000000002": "Allocator has not applied all instance modifications within timeout"
}

```

---

<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 7, 2022, 5:04am UTC](https://discuss.elastic.co/t/upgraded-to-rhel8-and-cant-start-the-instances-or-create-new-deployements/320597/2 "2022-12-07T05:04:44Z")

</div>

Are you talking about ECE here?

---

<div class="post-metadata">

**Author:** ![mahesthogarpally](https://avatars.discourse-cdn.com/v4/letter/m/9dc877/32.png) [@mahesthogarpally](https://discuss.elastic.co/u/mahesthogarpally)\
**Post date:** [December 7, 2022, 6:54am UTC](https://discuss.elastic.co/t/upgraded-to-rhel8-and-cant-start-the-instances-or-create-new-deployements/320597/3 "2022-12-07T06:54:52Z")

</div>

yeah, Its for ECE clusters

---

<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:** [January 4, 2023, 6:55am UTC](https://discuss.elastic.co/t/upgraded-to-rhel8-and-cant-start-the-instances-or-create-new-deployements/320597/4 "2023-01-04T06:55:14Z")

</div>

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