FIX: Searching for a user on Lync Mobile returns no results after the November 2016 Cumulative Update for Lync Server 2013 is installed

Applies to: Lync Server 2013Microsoft Lync 2013


You install the November 2016 Cumulative Update for Microsoft Lync Server 2013. When you search for a user by using Lync Mobile, no results are returned. Additionally, an error entry is logged in the Application event log on the Lync Server that contains the following:
Event ID 20003
Source: LS UCWA


Update information

The following file is available for download from the Microsoft Download Center:

Note Install this update on the server that is running Lync Server 2013.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


Learn about the terminology that Microsoft uses to describe software updates.