Previously, I installed Project Server 2007 with a licensed version, using one server for all Project services, and another machine for SQL 2005 databases. It worked pretty well, except I could not get analysis cubes to work. We decided that we would also want workflow capability of MOSS 2007, so I uninstalled Project Server 2007, installed a trial version of MOSS 2007, and tried to install Project 2007 again.
We got the error:
"Setup is unable to proceed due to the following error(s): Microsoft Office Server Trial Edition products may not be installed on a server with licensed Microsoft Office Server products. Remove existing Microsoft Office Server products and re-run setup. Correct the issue(s) listed above and re-run setup."
So, we obtained a trial version of Project Server 2007. Same error.
I tried changing the service account identities, separating them, as suggested by someone here. Same error.
I tried removing all traces of Project Server by editing the registry, as suggested by Microsoft TechNet. Same error.
We wiped the machine clean, I re-installed the trial version of MOSS 2007 again, configured it, and tried to install the trial version of Project Server 2007. Same error.
Is there anything else I can do? How can I try installing Project Server 2007 on the same machine that holds the SQL 2005 databases for SharePoint? Do I have to "add the server to the farm," if it's already in the list of servers? What should I add to or enable on the SQL machine, if it only has been set up to be a database server? Is it even possible to do this?
Is it really necessary to obtain a third machine to make this work at all?
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