i'm looking into transitioning away from InstallShield to WiX and have come across an interesting problem.
given the same files my IS msi comes to 8.5 megs and my WiX install comes to 13.8 megs. more than a 5 meg difference between the two msi's.
does anyone have any idea how MSI's are put together? i'm trying to find out why one install is larger than the other. when i look at them in Orca they seem the same. is there somewhere in Orca that can tell me of compression levels or duplicate files?
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Structure of an MSI file
Started by
dtasanas
, Apr 25 2005 21:34
2 replies to this topic
dtasanas
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Posted 25 April 2005 - 21:34
Don Tasanasanta[br]Configuration/Installation Eng
Zweitze
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Posted 25 April 2005 - 22:02
Microsoft created a script that compares two MSIs. Look for WiDiff.vbs after installing the Platform SDK.
My guess: more overhead or different (unnecessary?) merge modules.
My guess: more overhead or different (unnecessary?) merge modules.
dtasanas
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Posted 26 April 2005 - 23:33
figured out the problem... i was using .exe's as icon resources so WIX packaged the entire exe twice. once in the cab and once in the icon table.
Don Tasanasanta[br]Configuration/Installation Eng