# Error upgrading from 2.16.3 to 3.0.1 on self-hosted CentOS 7 **URL:** \ **Category:** Mautic 3 - Install/Upgrade Support\ **Created:** [August 30, 2020, 7:03pm UTC](https://forum.mautic.org/t/error-upgrading-from-2-16-3-to-3-0-1-on-self-hosted-centos-7/15874 "2020-08-30T19:03:46Z")\ **Posts on this page:** 1\ **Showing post:** 11
**Author:** ![codes9](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/codes9/32/682_2.png) [@codes9](https://forum.mautic.org/u/codes9)\ **Post date:** [November 9, 2020, 4:49pm UTC](https://forum.mautic.org/t/error-upgrading-from-2-16-3-to-3-0-1-on-self-hosted-centos-7/15874/11 "2020-11-09T16:49:16Z")
Here are the steps I found on the forum: > **[Upgrade steps](https://docs.mautic.org/en/mautic-3-upgrade/upgrade-steps?_ga=2.223404062.486871931.1595849546-1786381583.1595528670)** > > If you want to know more about all the upgrade steps of the Mautic 3 upgrade process, this is the place to be.The upgrade process consists of multiple steps to make it as robust as possible. If the process fails at a certain step, you can find all... > [@Upgrade v2.16.0 to v3.0.2](https://forum.mautic.org/t/upgrade-v2-16-0-to-v3-0-2/15404/2): > > You must update first to 2.16.3 - there is no other upgrade path. See the pre-flight check: Do you at least have Mautic 2.16.3 installed? So you will need to do 2.16.0 -\> 2.16.3 and then you can upgrade to 3.x. Of course, ensuring that you have a backup that is tested, and ideally at the command line. --- _[View the full topic](https://forum.mautic.org/t/error-upgrading-from-2-16-3-to-3-0-1-on-self-hosted-centos-7/15874)._