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When a user tries to connect to external content through an authenticated proxy server, the user may receive a prompt in the Windows Media Player 9 Series. When the user types the credentials, the user can connect to the external content without error.
Because the proxy server is located in the local intranet zone, the Player is expected to send credentials to the proxy automatically. In some cases, the Player does not correctly determine whether the proxy or the external site is prompting for authentication. This fix updates the Player so that it automatically sends NTLM credentials when the proxy is detected to be in the local intranet zone.
Note In some instances, a prompt is expected in the Player. In these instances, the user will receive a prompt dialog box even with this fix.
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.
The hotfix version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date Time Version Size File name ----------------------------------------------------- 12-Mar-2003 23:21 188.8.131.5202 982,016 Wmnetmgr.dll
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.
WMP "9 Series" authentication proxy prompt user username password isa