---
title: "Start background MySQL upgrade"
method: GET
path: "/start_background_mysql_upgrade"
tags: ["Databases", "Manage MySQL Server"]
---

# Start background MySQL upgrade

`GET /start_background_mysql_upgrade`

This function upgrades MySQL® or MariaDB® in the background. This will reinstall MySQL® or MariaDB® if the version given is the installed version.

**Important:**

When you disable the [MySQL/MariaDB server role](https://docs.cpanel.net/knowledge-base/general-systems-administration/how-to-use-server-profiles/#roles) and remote MySQL® is **not** already configured, the system **disables** this function.

## Query parameters

- `version` number, required

## Response `200`

HTTP Request was successful.

- object
  - `data` object
    - `upgrade_id` string — The upgrade log's location, relative to the `/var/cpanel/logs/` directory.
  - `metadata` object
    - `command` string — The method name called.
    - `reason` string — The reason the API function failed when the `metadata.result` field is `0`. This field may display a success message when a function succeeds.
    - `result` 0 | 1 — * `1` — Success * `0` — Failed. Check the `reason` field for more details.
    - `version` integer — The version of the API function.

---

[API](https://skmtc.net/cpanel/apis/whm-api.md) · [All operations](https://skmtc.net/cpanel/apis/whm-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/cpanel/whm-api/revisions/3da41671c02c/schema)