What is the difference between EXE and MSI file?
The new project has been created and from now on you can edit it.Select A Windows application installation, using Microsoft Installer (MSI) and click Next.Īfter launching Advanced Installer, you will be presented with a dialog where you can choose the type of project you want to create.
Select Windows Vista/2008/7 or Windows 2000/2003/XP and click Next. Click New software to run the software wizard. Go to Server > OS deployment > Software modules. The MSI Wrapper was built because repackaging did not do the trick and there were no existing wrappers on the market that supported basic things such as uninstallation and upgrades. Wrapping the EXE in such a way that it keeps its ability to uninstall and upgrade will often create a better result. However, once the MSI packages contains scripting or other custom actions they often loose that ability anyway. This is true in the sense that MSI installations were designed to be transactional. One can argue that wrapping does not create “real” MSI packages. Otherwise, wrapping is the preferred way. Repacking is mostly used when the target system are very similar or the repackaged installers are extremely simple. This logic is lost in the repacking process where as the wrapping maintains that logic. Often the installers contain logic that make different decisions based on the state on the system where they are installed. The main advantage of wrapping compared to repackaging is that all computers are different in some way or another. Running the MSI on another machine will then replay these changes on that system. All the recorded changes to the files system and registry are then written to an MSI file. Then you run the original EXE installer to the finish and stop the recording. The technique behind repacking is that you start a program that will monitor and record system changes while it is running. Having an MSI enables you to push that installation to other machines using Group Policy Objects (GPO) under Active Directory. This also means that all the logic inside that installer is maintained. The original EXE installer is preserved in its original state. When wrapping an installer, you put an MSI file around that installer. Alternatively, you can use a program that can record system changes and play them back. 
You can keep your EXE installer intact and wrap it in an MSI package. When it comes to creating an MSI package from an EXE, there are basically two different strategies you can choose from.
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