Upgrades, new installations, or installations over versions earlier than 10.1, which are not supported by the automatedĮxisting ArcGIS 10.1–10.5 authorization numbers will work with ArcGIS 10.5.1. See the ArcGIS License Manager reference guide for more information on installation Any specific ports present in the service.txt file before the upgrade must be manually reconfigured in the service.txt file following the upgrade to ArcGIS 10.5.1. The existing options file (if applicable) and authorized licenses are retained in the upgrade. The ArcGIS License Manager 10.5.1 setup package is designed to detect and upgrade an existing installation of the same product. This update requires that ArcGIS License Manager 10.5.1 be installed to support these products. The copy protection mechanism for ArcGIS Desktop 10.5.1 and ArcGIS Engine 10.5.1 Concurrent Use has been updated.

For all of your Esri software support needs, such as help, forums, blogs, downloads, samples, and knowledge base articles, visit.This can be accessed from Start > Programs > ArcGIS > License Manager > License Manager Reference Guide or from the ArcGIS help on the ArcGIS Desktop site. The License Manager reference guide is installed with ArcGIS License Manager 10.5.1.For help with the installation of ArcGIS License Manager, see the corresponding ArcGIS License Manager installation guide.Administrative privileges are required for installing ArcGIS License Manager.Prior to installation, review the ArcGIS License Manager system requirements.Obtaining software authorization numbers.

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