Any suggestions on this error when trying to connect SQL Server 2000?

From: zenDebra (anonymous_at_discussions.microsoft.com)
Date: 05/10/04 

Date: Mon, 10 May 2004 09:34:56 -0700

SQL State: 08001 Native Error: 17
State: 1 Severity: 16
SQL Server Message: [DBNETLIB][ConnectionOpen (Connect()).]
SQL Server does not exist or access denied.