ASP.NET Debugger Extension – Manual Install / Uninstall

In case you have problems with the setup files for ASP.NET Debugger Extension you can manually install the module. FILES ADE.dll This is the main module that loads in IIS Location : GAC ADEWOWHelper.exe This is a helper exe that is used in x64 environments to support WOW worker processes Location : system32\inetsrv MdbgCore.dll This…


ASP.NET Debugger Extension – Trace Process for Debug Events

With ASP.NET Debugger Extension you can also trace the process for events. This is actually a wrapper around the MdbgEngine (mdbgcore.dll) options to interrupt a process when an event occurs. You can use it to trace exceptions / module loads etc. For example below we are tracing for exceptions. Every time an exceptions occurs you…


ASP.NET Debugger Extension – Find Debug Modules

ASP.NET Debugger Extension has an useful feature to find modules that are built in debug mode. You start by selecting a website, ADE then scans all the folders under that website to figure out the modules that are built in debug mode. Debug modules should usually not be deployed on production servers as the code…


ASP.NET Debugger Extension – Callstack Viewer

I recently created an ASP.NET Debugger Extension for IIS 7 that you can use to troubleshoot issues that would usually involve taking a memory dump of the process. One of the features in this extension is the ability to get a managed stack trace of all the threads in the worker process that are running…


ASP.NET Debugger Extension for IIS 7

Just finished writing an extension for IIS 7 that will provide advanced debugging features for IIS worker processes running managed code. It basically does three things 1. Find Debug Modules This feature will help you scan your website content to spot modules that have been built in debug mode. 2. Callstack Viewer This feature will…


Getting better stack traces in Process Monitor / Process Explorer

Process Monitor and Process Explorer are great tools for troubleshooting issues on Windows machines. Process Explorer can be used to investigate a running process from handles to dlls loaded. Process Monitor is my favourate and it can be used to monitor file system / registry activity on a machine. It logs all access to the…


The lone System.OutOfMemoryException in your memory dump

I was recently asked … Every time you run !dumpallexceptions ( !dae ) you will find that there is always a System.OutOfMemory exception object that will be listed Number of exceptions of this type:        1 Exception MethodTable: 0482151c Exception object: 182d005c Exception type: System.OutOfMemoryException Message: <none> InnerException: <none> StackTrace (generated): <none> StackTraceString: <none> HResult: 8007000e…

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WinDbg Scripting – Dump column names from a data table

Windbg provides a nice scripting mechanism with which we can automate repetitive tasks. It is seldom used and I have found very few people who actually utilize it but it is a great way to automate tasks. One annoying routine that I regularly used to do is to find the column names of a data…