This article describes HResult codes when you encounter 500.19 error on an Internet Information Services (IIS) 7.0 Web application. If the error code you see is in the following table, check out the causes and try the solutions. 
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HResult codeError messageCauseResolution
0x8007000d
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x8007000d

Description of HRESULT
The requested page cannot be accessed because the related configuration data for the page is invalid.
This problem occurs because the ApplicationHost.config file or the Web.config file contains a malformed XML element.Delete the malformed XML element from the ApplicationHost.config file or from the Web.config file.
0x80070005
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x80070005

Description of HRESULT
The requested page cannot be accessed because the related configuration data for the page is invalid.
This problem occurs for one of the following reasons:
  • You are using IIS 7.0 on a computer that is running Windows Vista. Additionally, you configure the Web site to use UNC Passthrough authentication to access a remote Universal Naming Convention (UNC) share.
  • The IIS_IUSRS group does not have the appropriate permissions for the ApplicationHost.config file, for the Web.config file, or for the virtual/application directories of IIS.
To resolve this problem, use one of the following methods.
Method 1
Do not configure the Web site to use UNC Passthrough authentication to access the remote UNC share. Instead, specify a user account that has the appropriate permissions to access the remote UNC share.
Method 2
Grant the Read permission to the IIS_IUSRS group for the ApplicationHost.config file or for the Web.config file. To do this, follow these steps:
  1. In Windows Explorer, locate the folder that contains the ApplicationHost.config file that is associated with the Web site, or locate the virtual directories or the application directories that contain the Web.config file that is associated with the Web site.
    Note The Web.config file may not be in the virtual directories or the application directories in IIS. Even in this situation, you need to follow these steps.
  2. Right-click the folder that contains the ApplicationHost.config file, or right-click the virtual or application directories that may contain the Web.config file.
  3. Click Properties.
  4. Click the Security tab, and then click Edit.
  5. Click Add.
  6. In the Enter the object names to select box, type computername\IIS_IUSRS, click Check Names, and then click OK.
    Note Computername is a placeholder for the computer name.
  7. Click to select the Read check box, and then click OK.
  8. In the Properties dialog box for the folder, click OK.
    Note Make sure the folder's properties are inherited by the ApplicationHost.config and Web.config files so that IIS_IUSRS has the Read permission for those files.
0x800700b7
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x800700b7

Description of HResult
The requested page cannot be accessed because the related configuration data for the page is invalid.
This problem may occur if there is a duplicate entry for the specified configuration section setting at a higher level in the configuration hierarchy (for example, in a parent site/folder’s web.config or applicationHost.config file). The error message itself points out the location of duplicate entry or entries.Examine the specified configuration file and compare it with its parent applicationHost.config and/or web.config files to check for duplicate entries as suggested by the error message. Either remove the duplicate entry, or make the entry unique. For example, this problem may occur because the ApplicationHost.config file has a duplicate entry for the following code.
<add accessType="Allow" users="*" />
To resolve this problem, in the ApplicationHost.config file, delete the duplicate entry for the authorization rule. To do this, follow these steps:
  1. Click Start, type Notepad in the Start Search box, right-click Notepad, and then click Run as administrator.
    Note If you are prompted for an administrator password or for a confirmation, type the password, or click Continue.
  2. On the File menu, click Open, type %windir%\System32\inetsrv\config\applicationHost.config in the File name box, and then click Open.
  3. In the ApplicationHost.config file, delete the duplicate entry that resembles the following code:
    <add accessType="Allow" users="*" />
0x8007007e
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x8007007e

Description of HResult
The requested page cannot be accessed because the related configuration data for the page is invalid.
This problem occurs because the ApplicationHost.config file or the Web.config file references a module or a DLL that is invalid or that does not exist.In the ApplicationHost.config file or in the Web.config file, locate the module reference or the DLL reference that is invalid, and then fix the reference. To determine which module reference is incorrect, enable Failed Request Tracing, and then reproduce the problem.
0x800700c1
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x800700c1

Description of HRESULT
The requested page cannot be accessed because the related configuration data for the page is invalid.
This problem can occur if the bitness of the specified module is different than that of the application pool hosting the application. For example, you are attempting to load a 32-bit component into a 64-bit application pool. This problem may also occur if the specified module is corrupted. Ensure that the specified module's bitness is the same as the hosting application pool, and make sure that the module is not corrupt.
0x8007010b
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x8007010b

Description of HRESULT
The requested page cannot be accessed because the related configuration data for the page is invalid.
This problem can occur if the specified content directory cannot be accessed.Verify that the file path exists, is properly named, has correct file-level permissions set, and is pointing to a valid file system type. If you are not sure what the file path is, use the Process Monitor tool or Failed Request Tracing to identify it.
0x8007052e
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x8007052e

Description of HRESULT
The requested page cannot be accessed because the related configuration data for the page is invalid.
The default process identity in IIS 7.0 does not have sufficient permissions to open the Web.config file on a remote share.To resolve this problem, see You receive an error message when you try to view a Web page from a Web site that uses pass-through authentication in Internet Information Services 7.0.
0x80070021
Server Error in Application "application name"

HTTP Error 500.19 – Internal Server Error

HRESULT: 0x80070021

Description of HRESULT
The requested page cannot be accessed because the related configuration data for the page is invalid.
This problem can occur when the specified portion of the IIS configuration file is locked at a higher configuration level. To resolve this problem, unlock the specified section, or do not use it at that level. For more information on configuration locking, see How to Use Locking in IIS 7.0 Configuration.

About this article

Article ID: 942055
Last review: January 6, 2015
Applies to: Microsoft Internet Information Services 7.0
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