Article ID: 919589 - View products that this article applies to.
When you try to play Windows Media DRM protected content after you upgrade to Windows Media Player 11 or to Windows Vista, the content does not play. This article contains information about a security component upgrade that may resolve the problem.
This article is intended for a beginning to intermediate computer user.
You may find it easier to follow the steps if you print this article first.
You may be unable to play content that you previously obtained if the content is protected by using Microsoft Windows Media Digital Rights Manager (DRM). When this problem occurs, you may be directed to a Microsoft Web site. You may experience this problem when either of the following conditions is true:
Security component upgradeYou can upgrade a security component of your digital media player to play the protected files that were obtained before you upgraded to Windows Media Player 11. To install the security component upgrade, do one of the following:
Steps for Windows XPPrerequisite In order to use this upgrade, you must run Internet Explorer as an Administrator. To run Internet Explorer as an Administrator, follow these steps:
Steps for Windows VistaTo install the security component update, follow these steps:
If you still cannot resolve this problem, you may try to download and then play a new piece of content. If you try this method, download the content from a content subscription service to which you currently subscribe. This method should update the system's certificate revocation list (CRL).
If you still have problems, you might want to ask someone for help or contact support. For information about how to contact support, visit the following Microsoft Web site:
If you cannot play content that you previously obtained, the content provider may not have configured license servers to deliver revocation information to the client application that requests the license. Device key revocation can disable the ability of non-licensed devices to gain access to protected content. For more information about revocation information and about Windows Media Rights Manager, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/941826/ )The default settings for the Windows Media Rights Manager 10.1.2 SDK do not include delivery of revocation information
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