Lync for Mac Issue with OSX Yosemite

I updated my Mac OS in the wee hours of the morning and, for the most part, did not run into any issues. I mention “for the most part” because I did encounter an issue at work with Lync for Mac 2011 – Version 14.0.9 (140606). My issue appeared when I attempted to sign in to Lync as it briefly displayed my Lync contacts before looping back to the sign-in screen. A Google search netted a successful resolution to this issue.

In short, I went into the Language & Region settings (within System Preferences) and did the following:

  1. Change the language from “English-Primary” to “English-US
  2. Reboot
  3. Change the language back to “English-Primary
  4. Reboot
  5. Open Lync and sign in

I’m not exactly sure why these steps resolved the issue, but hopefully it works for you too.

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