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This update is no longer available. To fix the issues that are described in this article, install the latest Microsoft Office update from the following Microsoft Learn article:

Latest updates for versions of Office that use Windows Installer (MSI)


This article describes update 2817678 for Microsoft Lync 2013 that was released on November 12, 2013. This update version is 15.0.4551.1001.

Note To determine the version of Lync 2013, follow these steps:

  1. In Lync 2013, click the Options button.

  2. On the Help menu, click About Microsoft Lync.

Issue that the update fixes

This update fixes the following issue:

  • Assume that you install a 15.0.4551.1000 version of Lync 2013 or an earlier version of Lync 2013 (either the Click-to-Run or MSI version). You sign in to Lync 2013 by using a Lync Online account in a Lync Online environment in China. In this situation, you cannot open the Lync Help window in Lync 2013.


    • You may receive the following error message when you open the Lync Help window in a MSI version of Lync 2013:

      Help isn’t working, but you can still go to to get the latest and greatest articles, videos, and training courses.

    • You may receive the following message when you open the Lync Help window in a Click-to-Run version of Lync 2013:

      Sorry, that link's broken

    BUG #: 3378109 (Office15)

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