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December 2015 cumulative update 5.0.8308.941 for Lync Server 2013 (Front End Server and Edge Server)

This cumulative update resolves a list of issues in Microsoft Lync Server 2013 (Front End Server and Edge Server). The version number of this update is 5.0.8308.941.
Issues that the cumulative update resolves
This cumulative update resolves the issues that are previously listed in the following Microsoft Knowledge Base articles:

How to install the update
To install the cumulative update for Lync Server 2013, use one of the following methods.

Method 1: Cumulative Server Update Installer

The Cumulative Server Update Installer applies all updates for the appropriate server role in one operation. To use the Cumulative Server Update Installer, follow these steps:

Note If User Account Control (UAC) is turned on, you must start the Cumulative Server Update Installer by using elevated permissions to make sure that all updates are installed correctly.

  1. Download the Cumulative Server Update Installer.
  2. Run the Cumulative Server Update Installer by using the user interface (UI) or by using a command line.

    Note When you click Install Updates, the UI indicates which updates are installed.

    To run the Cumulative Server Update Installer, run the following command:
    Notes The following text describes parameters that you can use together with the LyncServerUpdateInstaller.exe command:

    • The /silentmode switch applies all applicable updates in the background.
    • The /silentmode /forcereboot switches together apply all applicable updates in the background. Additionally, these switches automatically restart the server at the end of the installation process, if it is necessary.
    • The /extractall switch extracts the updates from the installer, and then it saves the updates in a subfolder that is named "Extracted" in the folder from which you ran the command.
After you run the Cumulative Server Update Installer, you must update all the applicable back-end servers. See how to update the back-end servers.

Method 2: Microsoft Update

The update is also available from the Microsoft Update website.

Note After you install this update by using Microsoft Update, you must update the databases on the back-end servers. See how to update the databases on the back-end servers.


There are no prerequisites for installing this cumulative update.

Registry information

To use one of the cumulative updates in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this cumulative update.

Update replacement information

This cumulative update replaces the September 2015 cumulative update 5.0.8308.933 for Lync Server 2013 (Front End Server and Edge Server).

Update package installation information

To apply this cumulative update, run Server.msp on computers that have one of the following server roles:

  • Lync Server 2013 - Standard Edition Server
  • Lync Server 2013 - Enterprise Edition - Front End Server
  • Lync Server 2013 - Edge Server

Removal information

To remove this cumulative update, use the Add or Remove Programs item in Control Panel.

If you are prompted for source file when you install the update, insert the source CD or provide the path to where the source files can be found.

File information

File nameFile versionFile sizeDateTimePlatform
File_inboundroutingteamscript.xmlNot applicable19,31213-Mar-201305:55Not applicable
File_lbrouting.amNot applicable13,51104-Sep-201314:54Not applicable
File_routing.amNot applicable19,58606-Jun-201401:23Not applicable
File_rtcabattributeindexrules.xmlNot applicable40,29723-Sep-201515:54Not applicable
File_rtc_registrar_1_to_2.sqlNot applicable97,23313-Mar-201309:34Not applicable
File_rtc_registrar_2_to_1.sqlNot applicable96,19813-Mar-201309:34Not applicable
File_rtc_registrar_2_to_3.sqlNot applicable168,01531-May-201310:32Not applicable
File_rtc_registrar_3_to_2.sqlNot applicable161,04131-May-201310:32Not applicable
File_rtc_registrar_3_to_4.sqlNot applicable212,04506-Jun-201404:35Not applicable
File_rtc_registrar_4_to_3.sqlNot applicable204,01706-Jun-201404:35Not applicable
File_rtc_registrar_4_to_5.sqlNot applicable215,99316-Aug-201407:10Not applicable
File_rtc_registrar_5_to_4.sqlNot applicable206,75516-Aug-201407:10Not applicable
File_rtc_registrar_5_to_6.sqlNot applicable242,46203-Apr-201512:14Not applicable
File_rtc_registrar_6_to_5.sqlNot applicable206,89103-Apr-201512:14Not applicable
File_rtc_registrar_6_to_7.sqlNot applicable249,30706-Jun-201502:34Not applicable
File_rtc_registrar_7_to_6.sqlNot applicable213,71106-Jun-201502:34Not applicable
The global version of this cumulative update uses a Microsoft Windows Installer package to install the cumulative update. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table:
Learn about the general information about the standard terminology that Microsoft uses to describe software updates.

Get the latest cumulative update for Lync Server 2013.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 3120728 - Last Review: 12/14/2015 18:17:00 - Revision: 1.0

Microsoft Lync Server 2013

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