This article was contributed by Esri Deutschland, the Esri distributor for Germany.A new functionality for administering licenses was introduced at ArcGIS 10.1. In earlier versions it was not possible to select a subset of a license number for deauthorization, for example EFL123456789. ArcGIS 10.1 allows selective control so that individual products and quantities can be deauthorized.The instructions provided describe how to selectively deauthorize concurrent use licenses in ArcGIS License Server Administrator.
Single-use and trial licenses cannot be deauthorized by this method.
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