When installing ArcGIS Desktop to a mapped drive, the following error is encountered:
Could not initialize installation.
<drive letter>:\%INSTALL DIR%\ArcGIS\Support\StripSlash.EXE
The system cannot find the path specified.
If OK is clicked, 1904 errors with the following HRESULT numbers are encountered:
ESRI does not support installing ArcGIS Desktop to a mapped network drive. This type of installation does not function.