Article ID: 921471 - View products that this article applies to.
Activation fails when you try to activate one of the following Windows operating systems over the Internet:
These issues may occur when you connect to the Internet through a proxy server on which Basic authentication is enabled.
If the proxy server is configured for Basic authentication, the server requires that you type a username and a password. However, the activation user interface does not let you enter these credentials. Therefore, the Basic authentication fails, and activation fails.
Method 1: Use the telephone to activate WindowsStart the Windows Activation Wizard to use the automated telephone system and activate Windows. To start the wizard, click Start, click Run, type SLUI 04, and then click OK.
If you are running Windows 8, follow these steps:
Advanced usersThis method is intended for advanced computer users. If you are not comfortable with advanced troubleshooting, you might want to ask someone for help or contact support. For information about how to contact support, visit the following Microsoft website:
Method 1: Configure the proxy server to disable Basic authenticationFor information about how to perform this method, see the documentation that is included with the proxy software.
Method 2: Configure your proxy server to exclude the URLs for the certificate revocation lists (CRLs) from the requirement for Basic authenticationTo do this, configure the following list of CRLs to be unauthenticated on the proxy server:
For information about how to use this method, see the documentation that is included with the proxy software.
For more information about Windows Vista Volume Activation 2.0, click the following article number to go to the article in the Microsoft Knowledge Base:
929712For more information about how to activate Windows Vista, click the following article number to go to the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/929712/ )Volume Activation information for Windows Vista, Windows Server 2008, Windows Server 2008 R2 and Windows 7
940315For more information how to troubleshoot Volume Activation error codes, click the following article number to go to the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/940315/ )How to activate Windows Vista
938450If you experience other errors than those mentioned in the "Symptoms" section when you try to activate Windows, go to the following Windows websites for additional troubleshooting information:
(http://support.microsoft.com/kb/938450/ )How to troubleshoot Volume Activation error codes on Windows Vista-based computers
Get help with activation errorsIf these articles do not help you resolve the problem, search the Microsoft Knowledge Base for more information. To search the Microsoft Knowledge Base, go to the following Microsoft website:
Why can't I activate Windows?
http://support.microsoft.comIn the Search Support (KB) field, type the text of the error message that you receive, or type a description of the problem.
Article ID: 921471 - Last Review: August 14, 2015 - Revision: 12.0