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Article ID: 948608 - Last Review: April 14, 2008 - Revision: 2.1

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SYMPTOMS

When you use a Microsoft 2007 Office application that takes advantage of multiple network stacks, you may have to enter credentials multiple times. This behavior occurs even when you click to select the Remember my password check box.

CAUSE

This problem may occur if an application that uses multiple HTTP stacks connects to a Windows Live ID gated server. For example, an application may use the WinInet stack for direct Internet access and the WinHTTP stack through Web Distributed Authoring and Versioning (WebDAV). These applications may have to authenticate a user one time for each HTTP stack. Microsoft 2007 Office applications are an example of this kind of application.

RESOLUTION

Security update information

To resolve this problem, install the most current cumulative security update for Internet Explorer. To install the most current updates, visit the following Microsoft Web site:
http://windowsupdate.microsoft.com (http://windowsupdate.microsoft.com)
For more technical information about the most current cumulative security update for Internet Explorer, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/current.aspx (http://www.microsoft.com/technet/security/current.aspx)
Note This fix was first included in security update 947864 (MS08-024). For more information, click the following article number to view the article in the Microsoft Knowledge Base:
947864  (http://support.microsoft.com/kb/947864/ ) MS08-024: Cumulative Security Update for Internet Explorer

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756  (http://support.microsoft.com/kb/322756/ ) How to back up and restore the registry in Windows

To resolve this problem in Windows Internet Explorer 7, follow these steps:
  1. Install security update 944533 (security bulletin MS08-010), or install a later cumulative security update for Internet Explorer. For more information about security update 944533, click the following article number to view the article in the Microsoft Knowledge Base:
    944533  (http://support.microsoft.com/kb/944533/ ) MS08-010: Cumulative security update for Internet Explorer
  2. After you install the update in step 1, you have to modify registry settings to enable the update. To do this, follow these steps:
    1. Click Start, click Run, type regedit, and then click OK.
    2. Locate and then click the following registry subkey:
      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
    3. Right-click FeatureControl, point to New, and then click Key.
    4. Type FEATURE_ENABLE_PASSPORT_SESSION_STORE_KB948608, and then press ENTER.
    5. On the Edit menu, point to New, and then click DWORD Value.
    6. Type iexplore.exe, and then press ENTER.
    7. Double-click iexplore.exe.
    8. In the Value data box, type 1, and then click OK.
    9. Click the File menu, and then click Exit.
  3. Restart the computer.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
949059  (http://support.microsoft.com/kb/949059/ ) Internet Explorer 7 may not handle the “302 Found” status correctly for Windows Live ID sites and for services authentication
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

APPLIES TO
  • Microsoft Office Professional 2007
  • Microsoft Office Professional Plus 2007
  • Microsoft Office Standard 2007
  • Microsoft Office Ultimate 2007
  • Microsoft Office Live
Keywords: 
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