Lync 2013 – August 2013 Client Update

A new update for the Lync 2013 client (kb2817621) takes us from “15.0.4517.1004” to “15.0.4517.1504”.

“This update contains stability and performance improvements. Additionally, this update fixes the following issue:

  • After you wake up the computer from hibernation mode, Lync 2013 becomes very slow and unusable.”


Download it from here:

I exited the client before installing the update, and there was no requirement to reboot the PC.

Before & After


Before After
Lync 15.0.4517.1004 MSO 15.0.4517.1005 Lync 15.0.4517.1504 MSO 15.0.4517.1005
FullClient-before FullClient-after


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