Requirements and limitations you must know about when you install Microsoft Systems Management Server (SMS) 2003 in a clustered environment

SMS 2003 site systems are not supported in a Windows Clustered environment. This includes the SMS site database server and the following SMS 2003 server roles Management point, Distribution point, Reporting point,Server locator points and Client access point. Additionally, the SMS 2003 Administrator Console is not supported in a clustered environment ...More

Source: Microsoft.com