If the deauthorization process fails, refer to How To: Recover lost licenses from My Esri to recover the licenses.
zip file to a temporary location on the local machine. For instructions on configuring the backup License. This will allow the portal to continue providing named user licenses to ArcGIS Pro or Premium App sessions in the event the primary License Manager fails. A backup License Manager can be configured for use with an ArcGIS Enterprise Portal. Download the ArcGIS Deauthorization Tool (4.23 MB. Backup License Managers for ArcGIS Enterprise Portal.The ArcGIS Deauthorization Tool allows users to deauthorize licenses without having to re-install the ArcGIS Desktop or ArcGIS Engine software to complete the deauthorization. If the software was uninstalled without deauthorizing it, use the ArcGIS Deauthorization Tool and follow these instructions to deauthorize the software. When moving ArcGIS Desktop or Engine Single Use software to a new machine, the software must first be deauthorized and uninstalled from the existing machine and then installed and authorized on the new machine. Start the license service on machine 2 by clicking Start/Stop License Service in the table of contents and clicking the Start button. Enter the authorization number for the features and the number of licenses you want to transfer. Instructions provided describe how to deauthorize ArcGIS Desktop and Engine after uninstalling the software. This is the license manager you set up in step 1.