The client tool is management studio, I'm asking about the database engine you're trying to attach to. Thing is, that's a SQL 2000-specific error
Open a query to the SQL instance you're trying to attach the database to and run SELECT @@Version
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability