I’m not sure how many of you are aware of this but I happened to talk to quite a few DBA’s who were hell-bent on installing SQL Server 2000 on Windows 2008 (don’t ask me why). But for those of you who are planning to do this, DON’T, because it isn’t supported.
SQL Server 2000 and below are not supported on Windows Vista/Windows Server 2008 and above (which includes Windows 7/Windows Server 2008 R2). Here is the official blog post by the SQL Releases team on this,
Stay out of trouble and upgrade 
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The SQL Dude! 