Visual Studio 2005 -> 2008/10 Service Installer Project Upgrade issue

Question

I\'ve upgraded a [.vdproj MSI generator project built into VS2008] System.Configuration.Install.Installer with a ServiceProcessInstaller and a ServiceInst

Answer 1

This should answer your question

How do I eliminate "The specified service already exists" when I install new versions of my software?

Answer 2

Does your service (setup) provide a custom action for uninstalling the service?

An upgrade means that the previously installed product get uninstalled before the new product gets installed. I think the reason for the error is that the old service cannot be removed.

If your service is written in .NET you might find this article useful: http://www.codeproject.com/KB/install/InstallService.aspx