WSUS server can't connect to Windows Update in Windows Server 2012

Symptoms

Consider the following scenario:
  • You have a Windows Server Update Services (WSUS) server that is running Windows Server 2012.
  • There is a required authenticated proxy running in the environment. 
  • You enable the Use user credentials to connect to the proxy server setting together with the username, domain, and password provided in the WSUS console.
In this scenario, the WSUS synchronization performs successfully. However, the WSUS server cannot connect to Windows Update to download the required updates. 

Note This issue also affects the deployment of Microsoft System Center Configuration Manager and Forefront Client Services.

Cause

This issue occurs because the system clears the stored network credentials when you enable the Use user credentials to connect to the proxy server setting. Therefore, you cannot connect to Windows Update.

Resolution

This hotfix is also available at Microsoft Update Catalog

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.



Prerequisites

To apply this hotfix, you must be running Windows Server 2012.

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.
File information

Status

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

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Additional file information
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문서 ID: 2838998 - 마지막 검토: 2013. 5. 15. - 수정: 1

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