Symptoms
Consider the following scenario:
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You have a computer that is running Windows 8.1 or Windows Server 2012 R2 together with a Miracast-enabled WLAN and display.
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You establish a Miracast connection.
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You suspend the computer, and then you resume it.
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You establish a Miracast connection.
In this scenario, the Miracast session is dropped after approximately 5 minutes.
Resolution
To resolve this issue, install update 2919355. For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014
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 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
