how to upgrade ArcGIS 10.0 to 10.1 (while the licenses still on maintenance services)

Discussion created by desy_maryani on Oct 15, 2012
Latest reply on Dec 19, 2012 by desy_maryani
Dear All,
i have a problem on installing arcGIS 10.1, our local distributor& technical support tell us that we can use our old version (10.0) licenses from Esri, but when i'm installing it and authorize it, the error notification accur : 7109: invalid activationID........

please help.