Article ID: 949351 - Last Review: February 26, 2008 - Revision: 1.0

You may receive an error message when you use an ASP.NET feature configuration page in IIS 7.0

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SYMPTOMS

In Server Manager in Internet Information Services (IIS) 7.0, you may receive an error message when you use a Microsoft ASP.NET feature configuration page.

For example, you may receive an error message that resembles one of the following when you use the Connection Strings configuration page:

Error message 1

Filename: path of configuration file
Line number: line number
Error: Configuration section encryption is not supported.

Error message 2

Filename: path of configuration file
Line number: line number
Error: The configuration section 'connectionStrings' cannot be read because it is missing a section declaration.

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CAUSE

This behavior may occur if a section in the configuration file is encrypted.

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RESOLUTION

To resolve this behavior, follow these steps:

Use the ASP.NET IIS Registration Tool (Aspnet_regiis.exe) to decrypt the section in the configuration file.
Use Server Manager to make the configuration changes.
Use the ASP.NET IIS Registration Tool to encrypt the section in the configuration file.

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STATUS

This behavior is by design.

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REFERENCES

For information about how to use the RSA protected configuration provider and the ASP.NET IIS Registration Tool to encrypt and to decrypt a section in a configuration file, visit the following Microsoft Developer Network (MSDN) Web site:

http://msdn2.microsoft.com/en-us/library/ms998283.aspx (http://msdn2.microsoft.com/en-us/library/ms998283.aspx)

For information about how to use the Windows Data Protection API (DPAPI) protected configuration provider and the ASP.NET IIS Registration Tool to encrypt and to decrypt a section in a configuration file, visit the following MSDN Web site:

http://msdn2.microsoft.com/en-us/library/ms998280.aspx (http://msdn2.microsoft.com/en-us/library/ms998280.aspx)

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