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FIX: ASP.NET Queues Too Many Requests
Article ID: 822148 - View products that this article applies to.
Microsoft Internet Information Services (IIS) 6.0 does not return an HTTP 503 error when the number of requests is greater than the RequestQueueLimit value that you define in the configuration settings for ASP.NET.
This is a design change from ASP.NET 1.0 to ASP.NET 1.1. In ASP.NET 1.0, IIS returns an HTTP 503 error and rejects each request that is over the limit of the RequestQueueLimit value:
Note This is a performance issue that occurs when you stress test IIS 6.0. Also, this fix maintains compatibility with ASP.NET 1.0. You can view the following PerfMon objects to determine when the number of requests is greater than the limit:
How to Obtain the HotfixThis issue is fixed in the June 2003 ASP.NET Hotfix Package 1.1. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
821156You cannot obtain this fix individually. You must install the rollup.
(http://support.microsoft.com/kb/821156/ )INFO: ASP.NET 1.1 June 2003 Hotfix Rollup Package
Note When you request this hotfix, you receive the rollup. The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date Time Version Size File name ----------------------------------------------------------------------- 07-Jun-2003 00:44 1.1.4322.910 253,952 Aspnet_isapi.dll 07-Jun-2003 00:44 1.1.4322.910 20,480 Aspnet_regiis.exe 07-Jun-2003 00:44 1.1.4322.910 32,768 Aspnet_wp.exe 15-May-2003 23:49 33,522 Installpersistsqlstate.sql 15-May-2003 23:49 34,150 Installsqlstate.sql 07-Jun-2003 12:52 1.1.4322.910 1,216,512 System.dll 07-Jun-2003 00:39 14,472 Webuivalidation.js 07-Jun-2003 12:52 1.1.4322.910 1,249,280 System.Web.dll
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
Article ID: 822148 - Last Review: October 25, 2005 - Revision: 2.5