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Some video files do not stream properly from Remote Web Access

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Symptoms

When attempting to stream a video file using the Remote Web Access feature from a Windows Storage Server 2008 R2 Essentials server, the video may not play. A blank media player window will appear and the video will appear to be buffering for a short while before the display stops and then progresses no further.

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Cause

This issue occurs due to an incompatibility between some video formats and the Silverlight 5 runtime. Some examples of media formats that may encounter this issue are videos that use the .MKV container format, as well as .MP4 and other .H264 encoded content. 

NOTE:This is not an exhaustive list of formats that are affected by this issue. Other file types and formats may also encounter this issue.

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Resolution

Microsoft is currently investigating this issue to determine a root cause.

The only known workaround is to uninstall Silverlight 5 runtime from the client PC and re-install the Silverlight 4 runtime.

NOTE: If this option is chosen and Microsoft Update is enabled Windows Update will identify an available Important update for Silverlight any time a scan for available updates is run. It will be necessary to unselect the Important update for Silverlight to prevent Windows Update from upgrading the Silverlight 4 runtime to the latest release of the Silverlight 5 runtime.

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More Information

To determine the version of Silverlight installed on your PC visit the following link: Silverlight installation page

The Silverlight 4 runtime is available for download here: Silverlight 4 Runtime

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Keywords: kb

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Article Info
Article ID : 2755069
Revision : 1
Created on : 1/7/2017
Published on : 10/26/2012
Exists online : False
Views : 273