How to use the IIS Debug Diagnostics Tool to troubleshoot an IIS process that stops unexpectedly
http://support.microsoft.com/kb/919789
How to troubleshoot an IIS process that consumes lots of RAM by using the IIS Debug Diagnostics tool
http://support.microsoft.com/kb/919790
You cannot remotely connect to a named instance of SQL Server 2000 by using the TCP/IP protocol
http://support.microsoft.com/kb/922131