FIX: Error message together with a System.InvalidOperationException exception when you run an ASP.NET 2.0 application: "Hashtable insert failed. Load factor too high"

When you run an ASP.NET 2.0 application, you receive the following error message together with a "System.InvalidOperationException" exception:
Hashtable insert failed. Load factor too high.

Note For more information about the stack trace, see the More information section.

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.


You must have Microsoft .NET Framework 2.0 Service Pack 1 (SP1) installed to apply this hotfix. You must apply this hotfix on Windows 2000, Windows XP and Windows Server 2003.

Restart requirement

You may have to restart the computer after you apply this hotfix if any of the affected files are being used when you install it. Shutting down any ASP.NET Web site before you install the fix should enable you to avoid having to restart the system.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.
Windows 2000, Windows XP and Windows Server 2003, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Windows 2000, Windows XP and Windows Server 2003, x64-based versions
File nameFile versionFile sizeDateTimePlatform
Windows Server 2003, IA-64 based versions
File nameFile versionFile sizeDateTimePlatform
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
When this issue occurs, a stack trace that resembles the following is generated:
Exception type: System.InvalidOperationExceptionMessage: Hashtable insert failed. Load factor too high.InnerException: <none>StackTrace (generated):SP IP Function032FED10 7962D24A System.Collections.Hashtable.Insert(System.Object, System.Object, Boolean)032FED40 7936828C System.Collections.Hashtable.set_Item(System.Object, System.Object)032FED48 65FEA145 System.Web.Configuration.HttpCapabilitiesBase.GetAdapter(System.Web.UI.Control)032FED70 6613AA52 System.Web.UI.Control.ResolveAdapter()032FED78 66150CD4 System.Web.UI.Page.get_PageAdapter()032FED80 6614DC00 System.Web.UI.Page.ProcessRequestMain(Boolean, Boolean)

Article ID: 969454 - Last Review: 07/24/2009 10:20:50 - Revision: 1.0

Microsoft .NET Framework 2.0 Service Pack 1 (x86), Microsoft ASP.NET 2.0

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