Just another crash

If you are following this blog for a long time you probably know about my previous posts related to ISA or TMG crashing and about the fact that 95% of the time is not an issue caused by ISA/TMG. Well, this is just another crash where the first blame goes to ISA/TMG, in this particular…


ISA Server triggers lots of 14197 events

1. Introduction   This post is about a scenario where Firewall Administrator notices that the application log in the ISA Server computer is full of events 14197 saying:   Event ID 14197 Source Microsoft Web Proxy Type Error Description ISA Server failed to write content to cache file. The error code in the Data area…


ISA Server Firewall Service crashed…but why?

1. Introduction   When question that I always receive when working with Firewall Service crashing is: why is it crashing? When the answer is: due a third party application…then the next question is: how is that? I thought each process was running independently and one couldn’t crash the other, right? That’s correct; however you need…


PowerShell to Control WinDbg

I just want to share this tool created by my fellow Brazilian friend Roberto Farah, that uses PowerShell to Control WinDBG:http://blogs.msdn.com/debuggingtoolbox/archive/2009/02/04/powershell-script-powerdbg-v5-0-using-powershell-to-control-windbg.aspx   Why this is cool? Here an example of how this can make it easier to find Leaked objects and send customer ready report: http://blogs.msdn.com/debuggingtoolbox/archive/2008/11/14/powershell-script-finding-the-managed-objects-that-leaked.aspx    Farah is currently writing a book with Dmitry…


Another case where Firewall service (Wspsrv.exe) was crashing

Here it come another post about Firewall Service crashing and again the best approach to catch this crash was to attach a debugger to the firewall service (see this article to know how to do this).  Result was quiet interesting because at this time there was no third party involved. After some research I found…


ISA Server Firewall Service crashes when enabling cache

1. Introduction   This is another one of those cases where ISA Server Service mysterious crashes once a day, at the same time and nothing changed in the environment.  This just make me really fell that the lack of communication between the teams that deals with technology is getting far beyond of what should exactly…


Capturing an user mode crash on ISA Server – Part 2 of 2

1. Introduction   Back in May I wrote the first part of this blog where I explained how to use DebugDiag to capture a crash on ISA Server Service. Now is time to see how it looks like.   2. Got ya !!!   An administrator’s feeling when it catches a crash while the debugger…


Capturing an User Mode Crash on ISA Server – Part 1 of 2

1. Introduction   The previous post was about performance and some of the symptoms that can confuse us during the problem definition. This post will be about a crash on a user mode process, in this case for the process ISA Process wspsrv.exe.   2. Scenario   Usually, when this process crashes we have the…