BizTalk application fails to install: "newer version of the application installed"

Question

I am having issues installing a BizTalk application using the msi-installer generated by BizTalk deployment framework.

When I run the installer, I instantly get an error telling me that there is a newer version of the application installed on the computer.

I have tried to look for the BizTalk application on the computer, but I am pretty sure that it isn't there.

Does anyone have any similar experiences? What might cause such error?

Answer 1

Someone had copied the Product Upgrade Code in the Deployment file from another solution. I changed it to a new guid, and the application installed fine.