Summary
The February 2022 cumulative update for Lync Server 2013 uninstalls the SkypeOnlineConnector PowerShell module. After you install this update, install the newer Teams PowerShell Module.
More information
Use the Lync Server Update Installer to install the February 2022 cumulative update for Lync Server 2013. For more information, see February 2022 Cumulative Update for Lync Server 2013, Core Components.