[wix-users] How to install multiple instances of the same application using MSI

[John Cooper]

You need to be a glutton for punishment.  I've done two of these including one for another division.  Instance Transforms are the way to go, but, these preconditions:

1) slavish adherence to the Component Rule in every minute detail;
2) put realistic limits on the upper end of instances--two more instances will double you testing load, four more will overwhelm you;
3) relentless testing with all possible combinations of instances, including after hours, to get every detail right.

Bottom line, if everything is perfect, major upgrade can work.  If anything isn't, it won't for instance transform.

MAKE SURE YOU REALLY WANT THIS.

--
John Merryweather Cooper
Senior Software Engineer | Integration Development Group | Enterprise Notification Service
Jack Henry & Associates, Inc.® | Lenexa, KS  66214 | Ext:  431050 |JoCooper at jackhenry.com




-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Anil Kumar
Sent: Thursday, April 28, 2016 10:23 AM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Subject: [wix-users] How to install multiple instances of the same application using MSI

The e-mail below is from an external source.  Please do not open attachments or click links from an unknown or suspicious origin.

Hi,
I have a requirement to allow multiple instances of same application and it should support major upgrade aswell.

I can do multiple installation by altering product code, upgrade code & product name. But, altering upgrade code will not support major upgrade.

I guess 'Authoring Multiple Instances with Instance Transforms' is the only option. More info on this are available in https://msdn.microsoft.com/en-us/library/aa367797(v=vs.85).aspx

I am unable to find any examples on this transforms. Can anyone provide example project on this? else can anyone suggest a way to achieve my requirement?

Thanks

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