We tried this RTM - no related bundle,upgrade code - {A1245D4C-CFD6-4E43-B2E6-AF6125EF5F8B}
HF1 - related bundle id="A1245D4C-CFD6-4E43-B2E6-AF6125EF5F8B}" action = patch , upgrade code of HF1 bundle - {CAF25991-D6D6-4FA1-8352-7FA70AB1A720} HF2 - related bundle id="A1245D4C-CFD6-4E43-B2E6-AF6125EF5F8B}" action = patch, upgrade code of HF2 bundle - {CAF25991-D6D6-4FA1-8352-7FA70AB1A720} same as HF1 the only problem was the HF2 remove HF1 so we could not uninstall HF2 and return to HF1 -- View this message in context: http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/Why-do-i-need-to-add-RelatedBundle-in-the-main-bundle-tp7590702p7590736.html Sent from the wix-users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Shape the Mobile Experience: Free Subscription Software experts and developers: Be at the forefront of tech innovation. Intel(R) Software Adrenaline delivers strategic insight and game-changing conversations that shape the rapidly evolving mobile landscape. Sign up now. http://pubads.g.doubleclick.net/gampad/clk?id=63431311&iu=/4140/ostg.clktrk _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users