MSI.log will potentially have any or all of the following MSI installation code failures:
MSI error code 1325: %Path% is not a valid short file name.
MSI (s) (74:D0) [HH:MM:SS]: Note: 1: 2303 2: 5 3: \\NetworkServer\
MSI (s) (74:D0) [HH:MM:SS]: Note: 1: 1325 2: FileShare
MSI error code 1706: No valid source could be found for product
MSI (s) (74:D0) [HH:MM:SS]: ConnectToSource: CreatePath/CreateFilePath failed with: -2147483648 1325 -214748364
MSI (s) (74:D0) [HH:MM:SS]: ConnectToSource (con't): CreatePath/CreateFilePath failed with: -2147483648 -2147483648
MSI (s) (74:D0) [HH:MM:SS]: SOURCEMGMT: net source '\\NetworkServer\FileShare\' is invalid.
MSI (s) (74:D0) [HH:MM:SS]: Note: 1: 1706 2: -2147483647 3: installer_vista_win7_win8-64-3.5.0.1590.msi
MSI error code 2203: Could not resolve path for shell folder
MSI (s) (74:D0) [HH:MM:SS]: SOURCEMGMT: Processing media source list.
MSI (s) (74:D0) [HH:MM:SS]: Note: 1: 2203 2: 3: -2147287037
MSI (s) (74:D0) [HH:MM:SS]: SOURCEMGMT: Source is invalid due to missing/inaccessible package.
MSI error code 1402: Could not open key
MSI (s) (74:D0) [HH:MM:SS]: Note: 1: 1706 2: -2147483647 3: installer_vista_win7_win8-64-3.5.0.1590.msi
MSI (s) (74:D0) [HH:MM:SS]: SOURCEMGMT: Processing URL source list.
MSI (s) (74:D0) [HH:MM:SS]: Note: 1: 1402 2: UNKNOWN\URL 3: 2