KB969083

Consider the following scenario:

  • You have two computers that are running Windows Server 2008 or Windows Vista. One computer sends a Kerberos authentication message to the other computer.
  • The Kerberos authentication uses the Advanced Encryption Standard (AES) algorithm to encrypt and decrypt the authentication data.

In this scenario, the Kerberos authentication fails together with the error code 0X80090302 or 0x8009030f, and you receive an error message. However, the error message that you receive may vary for different applications. For example, if you try to connect to SQL Server 2005 or SQL Server 2008 Analysis Services by using Excel, you receive one of the following error messages:

Message 1

The Function requested is not supported

Message 2

The message or signature supplied for verification has been altered

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