Lync 2013 Pre-Call Diagnostic Tool

The Lync 2013 Pre-Call Diagnostic Tool (PCD) is a client-based application that allows a user to see how the current state of the network might impact the media quality in an upcoming call. PCD shows a graphical view of your network metrics – Network MOS, Packet Loss and Interarrival Jitter.
  • Version:


    File Name:


    Date Published:


    File Size:

    5.5 MB

      The Lync 2013 Pre-Call Diagnostic Tool can be used in the following scenarios:
      • About to get on an important call? Run a quick test in On Demand mode to make sure it will go smoothly.
      • Run a test in On demand mode to look at your network’s performance over extended periods of time.
      • Diagnose trends with a view of historical test runs
      • Having trouble signing in to Lync? PCD’s Signin flyout can help you figure out where the issue is.
  • Supported Operating System

    Windows 7 Service Pack 1, Windows 8, Windows 8.1

      Windows Desktop App Requirements
      • PCD requires that Unified Communications Web API (UCWA) be installed and configured to support mobile clients in the Lync Server deployment. UCWA is installed with Lync Server.
      • Any edition of the Windows 7 or Windows 8 operating system
      • Microsoft .NET Framework 4.5 available at
    • To install this download:
      1. Click the download button and save the PreCallDiagTool.msi program file to your hard disk.
      2. Double-click the PreCallDiagTool.msi program file on your hard disk to begin installation.
      3. Follow the instructions on the screen to complete the installation.
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