1.  Open the ESRI ArcGIS Desktop Administrator.  You must close all ArcGIS Desktop applications first.
2.  Click on the folder for LICENSE MANAGER.




(tron.gpcc.itd.umich.edu has been retired)

3.  Click the CHANGE button.
4.  Type licenses.itd.umich.edu
Contact gis.help@umich.edu if this server is unavailable.
As an alternate, you can use license7.engin.umich.edu for your campus ESRI license server.

5.  Click OK to close the Change License Manager box.
6.  Click APPLY to apply your changes.
7.  Click OK to close the Desktop Administrator.