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Monday, February 23, 2015

Presenting PowerPoint presentation from Lync 2013 fails with: “Some presenting features are unavailable due to server connectivity issues.”

I’ve noticed that I get asked at least once every few months to look at why sharing PowerPoint presentations in a new Lync Server 2013 deployment with Office Web Apps would fail with the error message:

Some presenting features are unavailable due to server connectivity issues.

Retry

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If you try to share the same PowerPoint .pptx presentation, you would notice that the file was successfully loaded as indicated by the following message:

This File is Already in the Meeting

Rename and Attach

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You’ve also confirmed that lal the Lync Server services have been started:

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What I’ve noticed is that 9 out of the 10 times I get called for this is because .NET Framework 3.5 Features is not installed on the server:

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This component is required for the Office Web Apps server when it is installed on either a Windows Server 2012 R1 or R2 server:

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Hope this helps anyone who may run into this issue as there isn’t really a specific error logged in the events that points to this.

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