Uninstalling an M3 BE environment Use this procedure to uninstall the M3 Business Engine (BE) environment. Uninstall the grid application Right-click your grid application and select Application Maintenance > Uninstall Application. The Uninstall Application wizard is started. Click Next. If the application is running, a new window indicating this is displayed. Confirm shutdown of nodes, and click Next. In the Summary window, verify the information and click Finish. When the task is finished, a window is displayed. Click OK or click View log. You can also go to the Logs tab to view the log file.