I found the following link from a bugtraq posting and
decided to post it here. The tool below will patch
a network of Windows machines with the latest security
updates and patches. Below is a list of the platforms 
supported.

Microsoft Windows versions 2000, 2000 SP1, 2000 SP2 Advanced Server 
Microsoft Windows versions 2000, 2000 SP1, 2000 SP2 Professional 
Microsoft Windows versions 2000, 2000 SP1, 2000 SP2 Server 

Microsoft Windows NT Server versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 
4.0 SP4, 4.0 SP5, 4.0 SP6a 

Microsoft Windows NT Server, Enterprise Edition versions 4.0, 4.0 
SP4, 4.0 SP5, 4.0 SP6a 

Microsoft Windows NT Workstation versions 4.0, 4.0 SP1, 4.0 SP2, 
4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6a 

Microsoft SQL Server versions 7.0, 7.0 Service Pack 1, 7.0 
Service Pack 2, 7.0 Service Pack 3 

Microsoft SQL Server 2000 (all editions), version SP1 
Microsoft Internet Information Server 4.0 
Microsoft Internet Information Services version 5.0 

Microsoft Internet Explorer versions 5.01, 5.01 Service Pack 1, 
5.01 Service Pack 2, 5.5, 5.5 Service Pack 1, 5.5 Service Pack 2 
for Windows 2000 

Microsoft Internet Explorer versions 5.01, 5.01 Service Pack 1, 
5.01 Service Pack 2, 5.5, 5.5 Service Pack 1, 5.5 Service Pack 2 for Windows NT 4.0 
    
Microsoft Data Engine (MSDE), version 1.0

The tool is located below
Micrsoft Network Patch tool

Documentation
http://support.microsoft.com/support/kb/articles/q303/2/15.asp