I uninstalled SQL Server 2008 R2 to replace it with SQL Server 2008 (no R2). The uninstall was a pain, but after uninstalling SQL Server 2000 and 2008, clearing out the registry, renaming folders and rebooting, I was finally free of R2. I reinstalled
SQL Server 2000 without any trouble, but now I cannot re-install 2008. First I got an error "The INSTANCESHAREDWOWDIR command line value is not valid", which after some research I was able to resolve by running the setup from the command line.
The setup proceeded until the progress bar was about 50% of the way through, then asked for the VSS Writer disk.
The box is a 64-bit installation of Windows Server 2008 with SP1. I have SQL Server 2000 installed (as mentioned) and VS 2003, but not 2010 (yet). There are no SQL Express versions installed.
Can anyone point me to a solution?
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