Feb 24, 2009
Cross-posted from http://blogs.msdn.com/mike Enabling HTTP Compression for your IIS6 web applications is one way of increasing site performance. One of the more common problems I see when helping customers with compression is that their IIS servers are...
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Tags: HTTPHTTP CompressionIIS6
Feb 17, 2009
A problem was seen where Internet Explorer clients would reset the TCP connection between them and the IIS server when they received an HTTP 200 response for static content from IIS. The problem manifests itself to end users as slow performance of the...
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Feb 17, 2009
After sending an HTTP request to IIS, an Internet Explorer client displayed the following error message to the user: Bad Request Beginning in IIS 6.0, “Bad Request” errors are almost always returned by HTTP.sys, so the next step was to look in the httperr...
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Tags: HTTPsecurity
Feb 17, 2009
In this scenario, HTTP requests were being sent from a non-Windows machine and were being responded to with a “Bad Request – Invalid Hostname” error by the IIS server. Beginning in IIS 6.0, “Bad Request” errors are almost always returned by HTTP.sys,...
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Feb 16, 2009
System Center Configuration Manager (SCCM) has a nice functionality of displaying report data as charts. When deployed on a 64 bit IIS 6.0 machine these chart displays may stop working and you will start getting the following error message. This...
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Tags: IIS
Feb 13, 2009
When hosting an ASP.net web application on IIS7, and you have the application running in integrated pipeline mode, you may find that users complain that the application performs slowly. This may occur if your website is busy, handling 12 or more requests...
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Feb 12, 2009
If you implement custom health monitoring events in ASP.NET chances are that you should have worked with WebBaseEvent or WebErrorEvent classes and used the WebBaseEvent.Raise() method to fire those events. Recently an interesting issue related to this...
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Tags: IIS7ASP.NET
Feb 11, 2009
Metabase auditing is a very useful feature which allows us to track changes that are made to the IIS metabase. It was introduced with SP1 on Windows 2003 (IIS 6.0). When enabled information such as time and user account that made the change to the metabase...
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Feb 10, 2009
I was recently working on a reporting web application that uses the Report Viewer ( ReportViewer ) control that ships with SQL Server Reporting Services (SSRS). The Report Viewer control was rendering perfectly when I was developing using Visual Studio...
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Tags: IIS7
Feb 06, 2009
Thanks to Robert Patrick for submitting these issues There have been some issues recently where users complain of SSL connections suddenly no longer working with IIS7. Users can connect to IIS7 websites over http://, but browsing to https:// fails with...
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Tags: IIS7ssl
Feb 02, 2009
This week I got an interesting issue altogether. One of my customers was unable to debug ASP.NET 3.5 application locally using Visual Studio 2008. The application was created using Web Application Project. When we started the application using "Start...
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Jan 30, 2009
Few days back I came across an issue with Publish Web Site and assembly versioning. One of my customers was trying to publish a web site as non-updatable with "Use Fixed Naming and Single Page Assembly" option. Also at the same time they are...
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Jan 30, 2009
Recently I was working on issue with ActiveDirectoryMembershipProvider of ASP.NET 2.0 and I came across interesting finding which I thought of sharing. The scenario which I had was a little tricky. One of my customers was using ActiveDirectoryMembershipProvider...
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