January 2017 cumulative update 5.0.8308.984 for Lync Server 2013, Conferencing Server

Method 1: 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 through the user interface (UI) or at a command prompt.
   
   Note When you click Install Updates, the UI indicates which updates will be installed.
   
   To run the Cumulative Server Update Installer, run the following command:

   LyncServerUpdateInstaller.exe Note You can use the following parameters with the LyncServerUpdateInstaller.exe command:

   • The /silentmode option; applies all applicable updates in the background.

   • The /silentmode /forcereboot options together; applies all applicable updates in the background. Additionally, this method automatically restarts the server at the end of the installation process if necessary.

   • The /extractall option; extracts the updates from the installer and then saves the updates in a subfolder that's 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. To do this, see how to update the back-end servers.

Method 2: Microsoft Update

The cumulative update is also available from the Microsoft Update website.

Note After you install this cumulative 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.