Error 0xc0040357 while trying to Backup ISA Server Configuration

1. Introduction   There is not more frightening then knowing that you can’t backup your server  and when I say knowing is because many times administrators don’t backup because they forgot or because they think someone else is doing. But when you know that the backup cannot be performed, than you know that Murphy’s Law…


Wspsrv.exe causing random high CPU utilization – how to catch it?

I was reading the Windows IT Pro Magazine of this month (September 2009) and there I found a nice article written by an Escalation Engineer here from Microsoft Texas (Michael Morales) where he describes how to use ProcDump to catch high CPU utilization. This is an amazing tool that can also help ISA Administrators, mainly…


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…


Slow performance while browsing Internet using IE8 through ISA Server 2006

Sounds familiar? Interesting though is that in this case it was not an ISA issue (really??? J) and was actually fixed using the solution below from IE Team: http://blogs.msdn.com/askie/archive/2009/07/17/slow-performance-in-internet-explorer-8-after-installing-the-skype-v4-1-application.aspx   One more issue that is not caused by ISA Server…and counting.


Unable to Access some MOSS links when published through ISA Server 2006

Although ISA Server 2006 has a great Sharepoint Wizard to configure Sharepoint/MOSS Publishing rule sometimes what was supposed to be simple can became a nightmare. Most of the times ISA gets beat first since it is the device that faces Internet and users from outside are the ones that are complaining about. However if there…


Error 64 – The Specified Network Name is no longer available while Using a Custom Application through ISA Server 2006

1. Introduction   Error 64 can happen due many situations and I documented one of those situations last year and as you could see sometimes it is not easy to find out why this error happens. The issue that I’m about to describe here was identified while I was troubleshooting a third party application that…


ISA Server Stop Answering Requests and Firewall Service Hangs

The problem that this post is going to discuss was related to a random issue where certain times of the day the ISA Server was stopping answering requests and when the firewall administrator tried to restart the firewall service the service didn’t start. The only event that we have prior to the issue happens was…


Identifying the Source of the Traffic

Couple of days ago I was assisting a friend to troubleshoot the infamous 5783 that was causing the authentication prompt issue that we all know about. In this case the problem was happening throughout the night, which was even odder because during the day when the traffic was really high the issue wasn’t happen. The…


ISA Server Support Life Cycle

Lately we had received some calls where ISA Server was not using the latest updates, which is fine although is not recommended. However when the subject is Service Pack then it might be a supportability blocker if ISA Server is not running within the supported Service Pack level. ISABPA does a great job in warning…