Created a MSM that has an Installscript Custom Action. Everything works fine if I use this MSM with my InstallScript MSI projects, but doesn't work with a WIX based project. The files in the MSM are being installed with the WIX install but the InstallScript CA is not being called. I'm not the WIX (3.6) expert and neither is the responsible developer so we're both stuck. Any ideas why this only works with IS projects?
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