explain Structure and features of MSI
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Answered 07/06/2011 by: pjgeutjens
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is not for interview
I need a defintion of that
please explain
Answered 07/06/2011 by: zain_a2006
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did you try to find it yourself by any chance? Use google search.
Answered 07/06/2011 by: murali.bhat
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Hi zain,

Structure of a MSI:

An MSI is a windows installer package that contains every information to install a particular product.it includes files in external uncompressed or interna CAB format.it includes features,components,files,registries,shortcuts etc
MSI Packages, too, are identified by GUIDs. If you make any change to a package, you must assign a new package code.

A feature is a piece of functionality that makes sense to the end user of the software. The help system could be a feature, or spell-checking, or wizards. If you have ever installed software that displays a tree view of things that you can choose to install or leave out, those are individual features. Features are identified by strings that must be unique within a particular package.

A component is a unit of software that the installer can install. Components can include files, registry keys, shortcuts, resources, and other things. Each component is identified by a GUID, the component ID, which must be unique across all packages, regardless of product.

Features of MSI:
1.Self healing
2.Install On Demand
3.Unattended Installation via various command line switches
4.Rollback
5.State management i.e using API win32 routines to query the current state, verification of the existing etc
5.Consistent Installtion rules for files and components

regards,
Mayur Makwana
Answered 07/07/2011 by: mayur_mak
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thanks
Answered 07/07/2011 by: zain_a2006
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Would you like someone to explain the structure and features of the forum?

Were you somehow unable to work out that a section dealing with 'Windows Installer errors' was probably not the place to ask your question?

I'm going to be kind...

- Read and inwardly digest Phil Wilson's The Definitive Guide To Windows Installer.
- When you've done that, read this
- Learn some manners. Asking questions in so direct a fashion doesn't exactly encourage people to respond.
Answered 07/07/2011 by: VBScab
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