During a repair for a .msi installation, the following error message appears and prompts the end user for the path to the source .msi:
The feature you are trying to use is on a network resource that is unavailable.
When running an MSI-based installation on a laptop from a network location, the source files are not available for repairs (including self-repairs) when the laptop is offline (computer disconnected from the network).
During installation of an .msi, Windows Installer caches the .msi on the destination computer and removes all .cab files included with the .msi. This causes problems for offline mobile users when a repair requiring the source files occurs, and the end user does not have access to the necessary files. For example, if an end user installs an application from a server using a deployment tool, the complete .msi with source files resides on the server rather than the destination computer.
There are a couple ways to prevent this situation from occuring:
To set this property: