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msaponaro
Level 3
‎Nov 07, 2007 09:30 AM

Windows Installer 3.1

Hi, I have an InstallScript project where I run the installation of SQLEXPRESS.
If on the client machine Windows Installer 3.1 is not present the installation of SQLEXPRESS fails.
How can I know if on client PC is installed Windows Installer 3.1?

Thanks!!!!
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esiemiat
Level 9
‎Nov 07, 2007 12:09 PM

The Windows Installer InstallScript Object has a property you can check called EngineVersionAlreadyInstalled, and will also install the engine if it is missing.

If you don't want to use the object you could check the version of MSIEXEC.EXE.
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