Vista Tutorial - Upgrading Home Premium SP1 to Ultimate (non-SP1)

I recently purchased a new laptop that came with Vista Home Premium SP1
installed. I have a copy of Vista Ultimate (full version, not SP1) that I
received for Christmas but haven't used. I'm thinking about upgrading from
Home Premium SP1 to Ultimate, but am concerned that because I have SP1
installed that I will not be able to do a upgrade install. (I don't want to
do a clean install and wipe out the installed programs.)

Does anyone know if I can do this upgrade? Or, will I need the SP1 version
of Ultimate?

You cannot upgrade from SP1 to a non-SP1 version. You will either need to
remove SP1 or wait for an SP1 upgrade version.

--
Richard G. Harper [MVP Shell/User] rgharper@xxxxxx
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"SteveG" <SteveG@xxxxxx> wrote in message
news:8FC9131B-5155-4A9B-B8FA-89C5A7168993@xxxxxx

He cannot remove SP1. Vista SP1 was preinstalled meaning that it is an
integrated version. There will be no SP1 entry in Add/Remove Programs.

"Richard G. Harper" <rgharper@xxxxxx> wrote in message
news:9FBA90ED-BB8C-4577-A564-5498D56EFDBF@xxxxxx