On Tue, Sep 6, 2011 at 1:07 PM, John Nannenga <john.nanne...@microsoft.com>wrote:
> > Should I be manually changing the product code of each instance > every time? Or should the base product code be static also? Or ought it not > matter? > > Follow the Windows Installer documentation guidelines as for when to change > your PC: > http://msdn.microsoft.com/en-us/library/aa370579(v=VS.85).aspx . There > are some cases where changing the PC on every build might be justified; I'm > not sure what your servicing strategy is... > > Also, review the guidance regarding the UpgradeCode: > http://msdn.microsoft.com/en-us/library/aa372399(v=VS.85).aspx > > > > In summary, my question is how should I author the installation package > and > how should I run it in order to upgrade only a single installation instance > (when there are multiple installed instances)? > > Windows Installer's "Upgrade" table has a field called 'ActionProperty': > http://msdn.microsoft.com/en-us/library/aa372379(v=vs.85).aspx > > WiX allows you to define that property name through the "UpgradeVersion" > element's attribute called "Property". WiX documentation here notes: > "When the FindRelatedProducts action detects a related product installed on > the system, it appends the product code to the property specified in this > field....After the FindRelatedProducts action is run, the value of this > property is a list of product codes, separated by semicolons (;), detected > on the system." > > Armed with all of this information it should be clear why all of your > existing instances are being removed. Thus, one rather simple way of > removing only the instance you care about is to author a custom action to > manipulate the value of your 'ActionProperty' after 'FindRelatedProducts' > has executed. You could totally clear it out (install a new instance), or > set it to the instance product code you wish to have 'upgraded'. > > There are other things to consider, but this should get you headed in a > more proper direction. Thanks for the advice, John. Actually, I had attempted to set it up this way in the beginning, but ran into some weird issues, which caused me to go in another direction. Thinking back on it, I think I may know why my prior efforts failed. I'll definitely have another go at it. ------------------------------------------------------------------------------ Why Cloud-Based Security and Archiving Make Sense Osterman Research conducted this study that outlines how and why cloud computing security and archiving is rapidly being adopted across the IT space for its ease of implementation, lower cost, and increased reliability. Learn more. http://www.accelacomm.com/jaw/sfnl/114/51425301/ _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users
