For those wondering, Secondary Extension Feature Activation – SEFA 🙂
I am slow off the mark with this one, but for those Administrators that have been using Lync Server 2013 SEFA Util, you will be pleased to know what a Skype for Business iteration has now been released!
Continuingly introducing improvements to Microsoft Lync Mobile, a further update was released yesterday introducing improved Lobby Controls and Gallery View functionality. See the following link, download from the respective App Store.
Of significance, is the inability to install CU5 on any Lync Servers that have only the Core Components and/or Administrative tools installed, as pointed out by Greg in this post Lync Server 2013 CU5 OcsCore Update Fails and also confirmed by Microsoft in KB2993188