Article ID: 917413 - Last Review: December 3, 2007 - Revision: 1.4

Error message when you try run a Web application that is built on the .NET Framework: "Server Error in '/' Application"

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SYMPTOMS

When you try to run a Web application that is built on the Microsoft .NET Framework, you may receive an error message that resembles the following:
Server Error in '/' Application.

Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.

Source Error:

Line 36: by Microsoft that offers a single logon and core profile services for member sites.
Line 37: -->
Line 38: <authentication mode="Forms">
Line 39: <forms name=".ApplicationName" loginUrl="Login.aspx" />
Line 40: </authentication>

Source File: Drive:\InstallationPath\ApplicationName\web.config Line: 38
This problem occurs after you move the application to a new server location.
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CAUSE

This problem occurs when a virtual directory in Microsoft Internet Information Services (IIS) is configured to have an incorrect application name.
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RESOLUTION

To resolve this problem, remove the virtual directory in IIS. Then, re-create the virtual directory and configure it as an application. To remove the virtual directory, follow these steps:
  1. Click Start, and then click Control Panel.
  2. In Control Panel, double-click Administrative Tools, and then double-click Internet Information Services.

    Note If the Administrative Tools icon is unavailable in Control Panel, click Switch to Classic View, and then double-click Administrative Tools.
  3. Click the name of the server that you want to configure, and then double-click Web Sites.
  4. Double-click the name of the Web site that you want to configure.
  5. Right-click the name of the virtual directory that you want to remove, and then click Delete.
  6. Click Yes.
To create a new virtual directory and configure it as an application, follow these steps:
  1. Click to select the name of the Web site in which you want to add the new virtual directory.
  2. On the Action menu, point to New, and then click Virtual Directory.
  3. In the Virtual Directory Creation Wizard, click Next.
  4. Type the name of the virtual directory that you want to create, and then click Next.
  5. Click Browse, select the directory for the application, and then click OK.
  6. Click Next, and then click Finish.

    Note By default, a new application that has the same name as the new virtual directory is created in IIS.
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APPLIES TO
  • Microsoft .NET Framework 1.1 Service Pack 1
  • Microsoft .NET Framework 1.1
  • Microsoft ASP.NET 1.1
  • Microsoft ASP.NET 1.0
  • Microsoft .NET Framework 1.0 Service Pack 3
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Keywords: 
kbprb kbinfo kbtshoot KB917413
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