Debugging Toolbox

Windbg scripts, debugging and troubleshooting tools and techniques to help you isolate software problems.

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  • Blog Post: Tools for Your Debugging Toolbox

    This article was just updated to include an internal Microsoft tool that is now public. There are many free tools used to troubleshoot and debug software. Below I present a list of the tools that my peers and I use most of the time. Though most of the tools below are free Microsoft tools, not all...
  • Blog Post: Top Things to Consider When Troubleshooting Complex Application Issues

    1- For reactive incidents: “Bring the engineer onsite because it is going to be easier to isolate the problem.” This is the most common misconception I’ve heard. Let me explain: most complex problems require deep debugging sessions. Collecting the necessary information is the easy...
  • Blog Post: [PowerShell Script] Troubleshooting for Port Exhaustion Using NetStat

    Problem Description: Applications that use a great deal of TCP network activity may use all of the possible port numbers -- especially if they are very “chatty”. By default, when an application closes a TCP connection, the port number used cannot be reused for the same IP address for another...
  • Blog Post: PSSCOR2, the Superset of SOS.DLL is Now Public!!!

    Whenever I’m debugging with customers watching it’s inevitable: they always ask me what this PSSCOR2.dll extension is. The next question is always if PSSCOR2.DLL is going to be public. PSSCOR2.DLL is a superset of SOS.DLL and has much more commands and variations! The good news is that yes, now PSSCOR2...
  • Blog Post: Special Command—Using .dump/.dumpcab to Get Dumps and Symbols from Production Servers

    Using WinDbg you can create a dump file from an application running, for instance, in a production server. After collecting the dump file, you can load it in another machine and debug it. However, to be more effective during your debugging session you need symbols . Thus, thinking about it, here's the...
  • Blog Post: Tools for Troubleshooting Applications (including SharePoint)

    Let me share with you some public tools I’ve been using when working with applications and SharePoint cases. These are the tools I use before trying a hardcore approach like attaching the debugger to the application or collecting dumps to do a post-mortem debugging. Of course, there’re situations...
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