The following update installation flags are possible (combined as a bitmask):
- 1: Never request OS reboot
- 2: Can request OS reboot
- 4: OS reboot is always required
- 8: Gui is required
- 16: Local admin rights are required
- 32: Can only be installed as a patch for already installed product (not a full distributive)
- 64: Update installation needs current version uninstallation
- 128: Requires license validation
- 256: Brings minor impact to the system
- 512: Exclusive handling is required (cannot be installed together with other updates)
- 1024 Cannot be uninstalled