
nick_kaye asked a question.
I have an InstallShield package that creates an MSI package which typically installs via InTune or msiexec /i package.msi /qn /norestart.
I want to issue a hot fix to the product.
What do I need to change in InstallShield?
I tried just changing the Package Code, but when I test it using msiexec /i package.msi, I get the message "Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use Add/Remove Programs on the Control Panel."
If I use the /qn /norestart options, it "succeeds" (%ERRORLEVEL%=0) but nothing has changed.
What do I need to change to make this work?