Client management solutions are incomplete without the ability to provide support from a remote location. The amount of time saved by remote resolutions drastically increases the number of end user incidents that can be resolved by a single technician in one day.
Without centrally stored credentials, a stolen or missing machine means that the credentials to access every computer on your network are potentially controlled by someone outside of your company or school. In order to resolve this issue, new credentials must be pushed out to every computer, and if there isn't 100% saturation the vulnerability still exists.
CasperVNC gets its credentials from the JAMF Software Server (JSS), so that in the event of a breach, passwords are changed and the hole in your security is closed in less than 30 seconds.