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When your application is under heavy load, you may receive the following error message:
Server Application Unavailable.
This problem occurs in the Session_OnStart event of your application. This problem has been noticed in Microsoft Commerce Server.
This problem occurs because, under heavy load, the HttpContext.Current property may intermittently be null in the Session_OnStart event. If you debug the application, you will notice that this problem is a System.NullReferenceException error.
Software Update Information
A supported software update is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This software update may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft .NET Framework 1.0 service pack that contains this software update.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the software update. For a complete list of Microsoft Product Support Services phone 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 the Microsoft .NET Framework 1.0 Service Pack 2 installed to install this software update.
You do not have to restart your computer after you apply this software update.
Software Update Replacement Information
This software update does not replace any other software updates.
The English version of this software update 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.