ASP.NET - Response time is very slow for the first request to application (45+ seconds)

by Vignesh 10/1/2008 9:17:47 AM
I worked on a very strange issue that was hard to nail down. My customer had deployed his ASP.NET 2.0 application on 4 IIS 6.0 web servers. The application worked fine on all of them but one. Let's call the servers S1,S2,S3 and S4. The average response times to requests are between 1-3 seconds on S1... [More]


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Warning: Page has Expired - when users click the back button in Internet Explorer

by Vignesh 9/30/2008 7:35:26 PM
If you use the following directive <%@ OutputCache Duration="10" VaryByParam="*" Location="Server" %> on an .aspx page, it's possible that this can lead to an undesirable side effect when users click the back button in Internet Explorer. They will see a warnin... [More]


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Shooting yourself in the foot - IIS 6.0 OWA HTTP/1.1 400 Bad Request (Header Field Too Long)

by Vignesh 6/25/2008 10:21:13 AM
If you are a IIS web server administrator who is responsible for fine tuning the performance of the web server, the chances of you having to make registry changes or Metabase changes are very high. Most of these changes are usually recommendations by msdn or knowledge base articles at http://support... [More]


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System.Web.HttpException: The remote host closed the connection. The error code is 0x80072746.

by Vignesh 6/12/2008 11:21:00 AM
The client had developed an AJAX based ASP.NET 2.0 web application which had been deployed to multiple IIS 6.0 servers. On only one particular server they noticed that the application does not perform as expected. It works for a few hours and then starts to fail with the following error logged in ... [More]


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Tips and Tricks | Troubleshooting | ASP.NET | AJAX

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The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway. We try our best to write good code, but none of the code here is tested on Production boxes. Feel free to use the code, BUT test it before you do so (in simple words... use it at your own risk)

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