---
title: "How to Remove All RabbitMQ and Erlang Artifacts from Previous Installations (v13-v13.5)"
url: "https://dm0bkdes5q7a2ls.productfruits.help/en/article/how-to-remove-leftover-rabbitmq-and-erlang-artifacts-from-previous-installations"
language: "en"
last_updated: "2026-03-02T16:36:38.347Z"
---

# How to Remove All RabbitMQ and Erlang Artifacts from Previous Installations (v13-v13.5)

The Spirion v13.6 Installation wizard automatically removes v13.5 RabbitMQ and Erlang instances, but if necessary, you can use the instructions in this article to remove all RabbitMQ and Erlang artifacts from previous installations.

## Steps to Completely Remove RabbitMQ and Erlang Artifacts

### Step 1: Uninstall Spirion (If Applicable)

1.  Open the **Control Panel**.
2.  Navigate to **Programs and Features**.
3.  Select **Spirion** if installed, and click **Uninstall**.
4.  Follow the prompts to complete the uninstallation.

### Step 2: Uninstall Erlang OTP

1.  In the **Control Panel**, open **Programs and Features**.
2.  Locate **Erlang OTP**.
3.  Click **Uninstall** and follow the prompts to complete removal.

### Step 3: Uninstall RabbitMQ Server

1.  Still within **Programs and Features**, locate **RabbitMQ Server** (e.g., version 3.12.1 or any installed version).
2.  Click **Uninstall**.
3.  Follow the prompts to finish the uninstallation.

### Step 4: Remove Erlang and RabbitMQ Cookie Files

Delete the `.erlang.cookie` files from the following locations:

-   `C:\Users\[username]\.erlang.cookie`
-   `C:\Windows\System32\config\systemprofile\.erlang.cookie`

> **Note:** Replace `[username]` with your actual Windows username.

### Step 4: Delete RabbitMQ Application Data

1.  Open File Explorer and navigate to:  
    `C:\Users\spirion\AppData\Roaming\RabbitMQ`
2.  Delete **all contents** in this folder.

### Step 5: Remove RabbitMQ Registry Entries

1.  Open the Registry Editor (`regedit`).
2.  Navigate to:  
    `HKEY_LOCAL_MACHINE\SOFTWARE\Ericsson\Erlang\ErlSrv\1.1`
3.  Delete the entire `RabbitMQ` registry key under this path.

### Step 5: Delete RabbitMQ Windows Service (If Present)

1.  Launch **Command Prompt** with Administrator privileges.
2.  Enter the following command and press Enter:  
    `sc delete RabbitMQ`  
    If the service does not exist, you'll see an error indicating the service doesn't exist, which is safe to ignore.

### Step 6: Reboot the Machine

Restart your computer to ensure all removals and changes take effect fully.