wix - Major upgrade on a multi-instance installer -


i'm reluctant ask question @ time, repeat wix - doing major upgrade on multi instance install... yet hope question answered :)

i have installer multiple instances:

<product id="{guid}" upgradecode="{guid}" version="!(wix.version)" name="myproduct" manufacturer="mycompany">    <majorupgrade schedule="afterinstallexecute" downgradeerrormessage="a newer version of [productname] installed." />    <property id="instanceid" value="default" />   <instancetransforms property="instanceid">     <instance id="i01" productname="myproduct_i01" productcode="{guid}" upgradecode="{guid}" />     <instance id="i02" productname="myproduct_i02" productcode="{guid}" upgradecode="{guid}" />     .     .     .     <instance id="i49" productname="myproduct_i49" productcode="{guid}" upgradecode="{guid}" />     <instance id="i50" productname="myproduct_i50" productcode="{guid}" upgradecode="{guid}" />   </instancetransforms> </product>

for sake of clarity, every new version uses:

  • a different version number (different in @ least 1 of first 3 numbers)
  • a different product code each instance
  • the same upgrade code each instance
  • i install each product domain admin privileges

before changing product code every new release used same 1 each version, , though bit clumsy (retaining deleted components forever), re-install process worked out.

now, however, subsequent re-installations using different versions make msiexec.exe see components missing, failing installation. looked if time transition major upgrades!

upgrading naïve way

msiexec.exe /i "installer.msi" /n {old_version_productcode}

prompted false message:

the system administrator has set policies prevent installation.

upgrade via re-install

msiexec.exe /i "installer.msi" /n {old_version_productcode} reinstall=all reinstallmode=vamus

(also tried reinstallmode=amus since new product new install, nope)

logged each component absent , didn't touch file (the upgrade reported successful):

installed: absent; request: null; action: null

i'm @ loss -- missing?

i found awkward solution, it's fit awkward problem:

<setproperty id="reinstall" value="" before="appsearch" /> <setproperty id="reinstallmode" value="" before="appsearch" />

by unsetting reinstall properties somehow skip on major upgrade permission hurdle , avert real re-installation, leaving me new version.

i happily accept more orthodox solution, 1 doesn't involve fiddling windows installer properties...


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