Launch configurations are not editable, but you can change the launch configuration associated with a scaling group. After an application upgrade or data update, you can change the launch configuration by performing the following steps:

1. Create a new launch configuration by referring to Creating Launch Configuration.
2. Go to the Scaling Groups page and select the ID of the scaling group to configure to go the details page of the scaling group.
3. Click Edit in the top right corner of the Basic Information module to update launch configuration items. See the figure below:
   
4. After editing, click Save.