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Applies to:

Uninstalling RabbitMQ and Erlang OTP

If RabbitMQ and Erlang are not uninstalled completely, you may encounter problems attempting to install RabbitMQ and Erlang on the same machine.

To uninstall RabbitMQ and Erlang from the machine completely, do the following:

  1. Open the Windows Control Panel.
  2. Double-click Programs and Features.
  3. In the list of currently installed programs, right-click RabbitMQ Server, and then click Uninstall.
  4. In the list of currently installed programs, right-click Erlang OTP, and then click Uninstall.
  5. Open the Windows Task Manager.
  6. In the Task Manager, look for the process epmd.exe. If this process is still running, right-click it and then click End Process.
  7. Delete all the installation directories for both RabbitMQ and Erlang.
  8. Delete the file C:\Windows\.erlang.cookie (if present).
  9. Go to the User folder: C:\Users\[username], and then delete the file .erlang.cookie.
  10. Also in the User folder, go to AppData\Roaming\RabbitMQ.
  11. Backup the Log folder to a secure location, and then delete the folder.