[Michael Stanton] We have an improved SOS.DLL with many bug fixes and enhancements. Tom Christian in Product Support maintains it, and gave me permission to post it here under the name PSSCOR.DLL. It works on V1.0 and V1.1 of the CLR. Load it in the same way you’d load sos.dll in the Windows Debugger, with “.load psscor.dll“. The good thing about PSSCOR.DLL is that we can fix bugs and enhance functions without going through a lengthy QFE process. If you’ve found bugs in SOS, it’s likely that many were fixed already in PSSCOR.DLL.

The code examples below use psscor.dll to explore the gc heap. You’ll want to use it in lieu of SOS, because some commands like !DumpMT and !EEHeap have additional useful output.

Been spending more and more time lately with WinDbg and SOS.dll. This version is highly recommended - !EEHeap is a wonderful thing.