I have 2 components A and B under the same compete feature.

Component A has 2 files aaa.txt (Key Path)
and advertised shortcut for aaa.txt

Component B has 2 files ccc.txt (Key path)

If I delete aaa.txt and launch the advertised shortcut, it repairs and brings back the aaa.txt (as this is key path)

but if I delete aaa.txt (key path) and ddd.txt (non key path) then also it repairs (aaa.txt is key path)
and puts aaa.txt file as well as ddd.txt.

can anyone please help me understand how come ddd.txt was put back even though it was not a key file
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The repair is always done on the Feature level. When you delete aaa.txt and launch the advertised shortcut, the windows installer checks for broken components and realises that keypath for component A is missing. It then initiates a feature level repair and reinstalls all components under that feature.

I suggest to try this practically, you can create two features 1 & 2. Add components A and B in features 1 & 2 respectively. Now perform the same steps and you will find that ddd.txt is not reinstalled.

I hope this hepls you [:)]
Answered 03/06/2008 by: India_Repackaging
Blue Belt

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thanks for your inputs.

however my understanding is that Installer repairs only broken components and it get to know about a broken component only if key path is missing.

here Key path is not missing for one component even then that is getting repaired and file is being put back.
Answered 03/06/2008 by: Lillude
Senior Purple Belt

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here the repair works not on the basis of the key path but on the basis of Reinstall mode
so if we run the msiexec /f the values after f will decide whether to put that file back or not

for example /fo will check if file is missing or older version is present, it will put the file back on the system after repair

if this is triggered by Advertiesed entry point(i.e. advertised shortcut) it will work as per REINSTALLMODE property value (normally it is OMUS)
Answered 03/06/2008 by: Lillude
Senior Purple Belt

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