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December 2005 - Posts

HOWTO: Basics of IIS6 Troubleshooting

I recently sat down and thought a little about the typical user experience when troubleshooting IIS6, assuming s/he had little/no IIS context that long-time users have... and the picture did not look so good. Now, I know that IIS7 will make huge improvements Read More...
Posted Saturday, December 31, 2005 11:48 PM by Anonymous | 40 Comments

HOWTO: Delete Web Service Extensions that cannot be normally Deleted

Question: We installed ServletExec ISAPI for use with ESRI's ArcIMS map server software. We decided to go with Apache Tomcat servlet engine instead and uninstalled ServletExec. However, the Web Service Extension name "ServletExec" still exists, but the Read More...
Posted Monday, December 26, 2005 12:57 PM by Anonymous | 1 Comments
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IIS and Virtual Server Conversations Part 2

Question: I am a 'nuts&bolts' guy - I need to know what kind of nuts and bolts to use for what kind of job, I don't need to know about the philosophy of why the nuts are having their threads inverted. Nuts and bolts have a practical use. I just want Read More...
Posted Saturday, December 24, 2005 1:15 AM by Anonymous | 0 Comments

IIS and Virtual Server Conversations

Question: In preparation to installing Virtual Server, and acknowledging the fact that it needs IIS, I would like to know: Is there any specific setup to perform on the IIS before I configure VS? Or, will it just need to be there? Also, since now I have Read More...
Posted Saturday, December 24, 2005 12:50 AM by Anonymous | 7 Comments

Does IIS Forward Requests?

Question: Hi, I have situation where I use JRun or Tomcat as servlet container with IIS (5.0 or 6.0). I want IIS to forward the HTTP (Basic) Authorization header that comes with the request via ISAPI-DLL to Tomcat or JRun. That does not work in most cases Read More...
Posted Friday, December 23, 2005 12:37 AM by Anonymous | 1 Comments
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Poor ASP Performance on IIS 6.0 in Windows Server 2003 SP1?

Question: Hi David, Do you have any idea whatsoever of why ASP output is not buffered and the performance on our IIS 6.0 servers are truly bad? Moreover, the weird part is that this does not happen when you open the "problem pages" locally on the server. Read More...
Posted Thursday, December 22, 2005 11:01 PM by Anonymous | 3 Comments
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About w3wp Memory Usage and Any Benefits to Stripping Application Extensions in IIS6?

Frequently, users ask about the "footprint for IIS6"... usually in reference to mass-hosting since it affects the number of application pools that can be simultaneously running. I know that users have a common misconception that Microsoft loves propagating Read More...
Posted Wednesday, December 21, 2005 9:06 AM by Anonymous | 6 Comments
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Why IIS6 only loads 49 ISAPI Filters

Question: Hi, i have 52 sites in IIS6 running on 1 application pool and im trying to install an ISAPI filter for eache site (each site has it's actual phisycal DLL). the installation works OK but when restarting the IIS only 49 sites work and i get an Read More...
Posted Tuesday, December 20, 2005 2:51 PM by Anonymous | 2 Comments
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HOWTO: Compile and Use my ISAPI Code Samples

Since I get this following question on how to compile/use my ISAPI code examples quite a bit, I wager I should just have a blog post that answers it once and for all. But, come on you guys... I already did the hard part in providing the full compiling Read More...
Posted Monday, December 19, 2005 11:53 PM by Anonymous | 36 Comments

HOWTO: Diagnose one cause of W3SVC failing to start with Win32 Error 193 on 64bit Windows

I recently came across an interesting new variation of "failure" related to enabling WOW64 that can happen on IIS6 on 64bit Windows... so I am going to explain what happened and how to fix it. Question: Hi, I ran into an issue with IIS in wow64 mode. Read More...
Posted Wednesday, December 14, 2005 6:33 PM by Anonymous | 14 Comments

How IIS6 Compression Schemes interact with ISAPI Filters

Question: Hi we configure IIS6 for HTTP compression for static and dynamic pages. And its priority is high. We wrote one ISAPI filter where I capture body of response. When we send request for dynamic pages like (asp) with Content-Encoding of GZIP and Read More...
Posted Wednesday, December 14, 2005 1:22 PM by Anonymous | 0 Comments
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DebugDiag - The Saga to RTM, Continued

For the past several days, I have spent a lot of time mired in the very bureaucracy that I identified in this blog entry ... all for one reason - to get DebugDiag and the IIS Diagnostics Toolkit integrated and released. Yes, the Windows OOB process has Read More...
Posted Tuesday, December 13, 2005 11:55 PM by Anonymous | 3 Comments
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Child URL Execution and SSI #exec, Redux

Ok, I now have gotten questions about SSI #exec behavior on IIS6 for both ISAPI (ASP) and CGI (Perl) resources, so here is the consolidation of it all... Question: Hi David, I have searched Google to help me figure out a problem I am having, and every Read More...
Posted Monday, December 12, 2005 11:23 PM by Anonymous | 13 Comments
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The Unofficial IIS Trip to Whistler

So, several members of the IIS team are going to be taking an earlier Christmas break and be OOF this weekend. No, we haven't gone "loco" with IIS7... yet. ;-) We are just "unofficially" having various members of the team across all discplines enjoy some Read More...
Posted Friday, December 09, 2005 11:55 PM by Anonymous | 0 Comments
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HOWTO: Synchronize User Credentials in IIS

Question: Hello, I recently had to modify a domain administrator account on my system and as a result parts of my web site are no longer operational. I keep getting a 401.1 error whenever my web pages attempt to execute a Perl script that dynamically Read More...
Posted Wednesday, December 07, 2005 7:05 AM by Anonymous | 9 Comments

HOWTO: Redirect the browser to a new URL based on Referer

While I do not recommend users to freely write ISAPI Filters and install them on IIS, there are still tasks that favor/require ISAPI Filter... even on IIS6 with HSE_REQ_EXEC_URL. Question: Hello David, I came across your blog several times when I am searching Read More...
Posted Tuesday, December 06, 2005 11:55 PM by Anonymous | 2 Comments

One Year Blog Anniversary

Ok, I am a real sucker for all things sentimental, such as Anniversaries. One year ago, I made my first blog post, a huge script code snippet that illustrates some frequently misunderstood concepts. Never mind the fact that it was not until four months Read More...
Posted Friday, December 02, 2005 5:07 AM by Anonymous | 2 Comments
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HTTP POST Fails for Anonymous Authentication

Question: I have ASP that receives a POST, displays the parameters and performs additional work. Authentication was anonymous (IUSR_<machine>) and also Integrated Windows. Then I turned off Integrated auth (we can discuss reasons for this later). Read More...
Posted Thursday, December 01, 2005 6:22 PM by Anonymous | 8 Comments
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