Favorite IIS/ASP.net/SharePoint Related Tools
DebugDiag 1.2 (x86 and x64)
Debugging Tools for Windows (Adplus.vbs and Windbg.exe)
DelegConfig
How to Set It Up (htm) (or .docx)
Download Delegconfig v1
Download Delegconfig v2 Beta
Filemon (File Monitor)
FREB logging (failed request tracing) in IIS7
Microsoft Exchange Best Practices Analyzer v2.8
Filezilla (ftp client)
Internet Explorer data collector
Metamon (use only if pre-Win2003-SP1. Otherwise use Metabase monitoring)
Poolmon and Perfwiz/PMLC
Procmon – (Old version of Process Monitor. Works on Windows 2000 Superseded by Process Monitor. )
PSSCOR
PSSCOR.dll for asp.net 1.0 and 1.1 debugging
PSSCOR2.dll for asp.net 2.0, 3.0, and 3.5 debugging
PSSCOR4.dll for asp.net 4.0 debugging
You can also get psscor2 and psscor4 from DebugDiag 1.2
Regmon (Old version of Registry Monitor. Works on Windows 2000. Superseded by Process Monitor.)
SetSpn (updated for Win2003)
SSLDIAG - SSL Diagnostics v.1.1 - (x86) and (x64)
STrace (for Internet Explorer issues)
ULS Viewers
ULS Viewer - codeplex
ULS Viewer - msdn archive (I prefer this one)
WAS – the Web Application Stress Tool
(for migrating iis configuration from one server to another)
Simple test pages to save in notepad:
Time.asp <%=now()%>
Time.aspx <%=System.DateTime.Now%>
Other tools: http://www.iis.net/downloads and http://microsoft.com/downloads