I've been playing around with installing multiple instances of an
application used the <InstanceTransforms /> element, works quite well. I'm
trying to create a patch between 2 versions and apply that one patch to
multiple installed instances and according to
http://msdn.microsoft.com/en-us/library/aa369528(VS.85).aspx<http://msdn.microsoft.com/en-us/library/aa369528%28VS.85%29.aspx>it
is possible to do this by running the patch from the command line and
passing in the product id of the installed instance you want to patch. I
have yet to be able to get a patch to install to a second instance
correctly, installing to the base instances works just fine. The error
message I get is:
"The upgrade patch cannot be installed by the Windows Installer service
because the program to be upgraded may be missing, or the upgrade patch may
update a different version of the program."
The command line executed is: msiexec /update 1to2.msp /n
{48F7E3D3-4291-45b0-AA5E-8A78337D95FF}
There is no log created even with /l*v
I included a <Validate /> element wondering if there was some check with the
different product code for the patch that was holding back, no joy.
<PatchBaseline Id="RTM">
<Validate ProductId="no" UpgradeCode="no" ProductVersion="Major"
ProductVersionOperator="GreaterOrEqual"/>
</PatchBaseline>
Any help or insight would be greatly appreciated.
Thanks
Matt
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