To separate out the MSI for your installation perform the following:

Create an administrative installation (setup.exe /a)
The setup will ask you where to place the network installation. After the administrative installation, you have an msi and uncompressed external files.

To separate out the MSI for your installation perform the following:
1)Double click on Enterprise Architect’s setup.exe (i.e. EA80_Reg.exe).
2) Go through the installation setup up to the welcome screen.
3)Using the file explorer, browse to %Temp% or C:\Documents and Settings\Administrator\Local Settings\Temp.

4) Find the MSI file – this is a randomly named file with a .msi extension: (it is best to sort by date and go to the latest entries).