https://support.microsoft.com/en-us/topic/how-to-remove-the-lastactive-attribute-from-the-aggregation-state-category-in-lync-server-2010-lync-server-2013-skype-for-business-server-2015-and-skype-for-business-online-7ce30a7e-8d84-a36e-315b-fde4a4ea23de
How to remove the LastActive attribute from the aggregation state category in Lync Server 2010,...
Describes how to remove the LastActive attribute from the aggregation state category in Lync Server 2010, Lync Server 2013, Skype for Business Server 2015, and...
how to remove