Not all editions of SQL Server 2000 can be installed on WinXP. See INF: Frequently Asked Questions - SQL Server 2000 - Setup mskb #Q257716 for details.

>Hi..
>
>Is there a way that I can install SQL 2000 on Win XP?
>
>It seems that I am only able to install client tools.
>
>I am not sure what client tools will let me do.
>
>I tried to register a server on SQL 2000 but I get errors...
>
>Any ideas?