Sigh. People are too quick to apply Harlon's Razor and assume that any "deviations" result from malicious Microsoft intent to deviate from HTTP standard, when user misinformation is frequently the problem... Question: I have a problem with a customer...

One of my pet peeves is users running "Security Scanners" against their servers and treating the resulting report as Gospel... <mock> Oh my gosh, I have to fix all of these vulnerabilities in IIS6 that this report lists! Such an insecure piece...

In an ideal world, everything runs as native bitness (64bit program on 64bit OS, 32bit program on 32bit OS) and life goes on. However, sometimes you need to run that legacy 32bit program on a 64bit OS and need to configure things a little differently...

Question: I've read on msdn that for Visual Studio 2005 the MFC ISAPI extension template was discontinued and that for new development "ISAPI entry point functions" should be used instead. I'm interpreting that as the MFC isapi classes are problematic...

Question: Mr. Wang, I have not been able to find a concrete answer for this anywhere: I'm looking to start working with IIS 7.0 and especially Windows Activation Service. Is there a way to do this without a Longhorn Server build? Are there implementations...

Sometimes, I really pity the folks that run Microsoft's internal IT... because they are simultaneously assaulted by the entire spectrum of Microsoft technology users yet are ultimately at the short end of any IT "straw". From the "newbie" users to...

The feedback from my first query really amazed me. It certainly helps to have real-life viewpoints as well different rationales... because we need to understand what is truly troubling you... not just the symptoms but the underlying cause. So, I am...

Back in this blog entry , I mused about how nice it would be to have more bloggers from the IIS product team. One thing is for certain - the IIS team traditionally has never dialed up the volume when it comes to evangelizing what we are doing and its...

One of the cooler but definitely unsung feature of the IIS7 Server Core is PreConditions. So, that's what I am going to talk about... yup, I am exploring the little, non-obvious details that is IIS7. What is a PreCondition The basic idea of PreConditions...

Question: I was wondering if it is possible not to have the virtual machine additions installation eject the iso image after installing, maybe an undocumented switch. I have created a custom OS installation CD and anything to be installed after...

Lately, I have received quite a few comments concerning a crash in WebEngine.dll when you recycle an application pool running ASP.Net 2.0. The sheer number of independent users reporting this makes be believe that it is real. If it was individual users...

Since IIS7 is not enabled nor installed by default on Vista (just like IIS6 is not enabled nor installed by default on Windows Server 2003 and Windows XP 64bit), and the various UI/Wizard/ControlPanel-mechanisms for managing components in Vista are not...

Question: Perhaps "application pool running out of thread", that's what my vendor tell me when their asp.net application has intermittent performance problem. I searched and read quite some documentation, but no luck. What did he mean by "running...

I hate spam... both the physical and the electronic form. But for the moment... I am talking about the electronic form. :-) Ever since the blogs.msdn.com upgrade a month and a half ago, the volume and frequency of blog comment spam has spiked for me...

Question: Hello! I follow you blog daily. Good stuff! On my work I'm responsible for a web server, running a web site with +150k users. (Win2k3) The application is split into different modules, and divided into different application pools. (Some...

Question: Hi everyone, I wrote a ISAPI filter DLL to process text/html content. Whenever there's a request for a .php file, the OnUrlMap gets called 3 times whereas .html or .asp files causes the right behaviour in Filter (i.e. - OnUrlMap gets called...

Ok, I know I said in this blog entry that the IIS Diagnostics Toolkit "a la carte" release was "close", two weeks ago. At that time, I had finished all development work, submitted my changes, and requested an official build so that Chris can do final...

Suppose I told you that you get to direct an IIS development "A" team to solve your issues with scaling out and managing a farm/cluster of IIS servers. What issue would be your top wish? Ok, you can give more than one, but you must prioritize and give...

Ok... I'm sure the zealots will eventually come tar and feather me and distort the conversation I started in this blog entry , but I will risk it anyways... I dislike biased and incomplete rationales. Comment: I've worked with both and while I haven...

It must have been crawling along for weeks if not months, but I never noticed it until last night when the hard drive that holds all of my source code enlistments decided to take a dive for the worst. I've put SpinRite on it, but at current pace it is...

About a month ago, I solicited user questions in this blog entry on how to integrate customized authentication protocol with Sharepoint, and I was a little overwhelmed by the responses and the variety of situations that users have posted and shared with...

I was recently introduced to this nifty little feature of Remote Desktop of Windows XP - bringing remote audio to the local machine. I have to say that I just LOVE this creature comfort feature... Now, I never knew nor thought about it earlier because...

If you are looking for information on how to troubleshoot a variety of IIS-related issues, the following week of Webcasts from Microsoft.com OPS team is not to be missed. Mark your calendars! Of course, these sessions focus on issues AFTER you have...

Question: What is a 999 error and how can I troubleshoot it? It's not an error code that IIS will allow a custom error page for. Answer: Yup, you are correct in saying that error 999 is not an HTTP Error that IIS will generate. Hence, you cannot...

Question: Hello, I am looking to automate installation of an ISAPI filter since I want it to be a part of my server deployment. Is there a way to install an ISAPI filter dll using a javascript or a vbscript? If yes can someone give me pointers...