Can I install SQL Server 2000 and 6.5 on the same machine?

Yes, you can install SQL Server 2000 and 6.5 on the same machine if SQL Server 2000 is using named-instance support. In this configuration, you run SQL Server 2000 as one (or more) named instances and SQL Server 6.5 as a default instance. However, we have a couple of caveats about this setup. Avoid running SQL Server 2000 and 6.5 together in clustered mode because the technology used to cluster SQL Server 2000 is incomp...