b44720d5__Installer_3_7___Release_Notes__Known_Issues
[Component] Installation: Notification of insufficient space [Change Request] 58400 [Known Issues] 
Notification for insufficient space. The Quest Installer provides a warning during installation if insufficient disk space exists for the installation. - If the installation is a new install, you may continue with the install, but it will fail due to a lack of disk space. - If the installation is a repair or upgrade, you may continue with the install as it reuses disk space by overwriting the existing files.
Quest Installer 3.7 – Release Notes
Known Issues