
There are six solutions outlined below to troubleshoot and resolve issues connecting to ArcGIS License Manager. A firewall is not configured to allow connections to ArcGIS License Manager.Incorrect ports are used to connect to ArcGIS License Manager.An incorrect ArcGIS License Manager IP address is used for connection.ArcGIS License Manager or FlexNET services are not running.

The ArcGIS License Manager and client software versions are not compatible.There are various reasons why a user may not be able to connect to ArcGIS License Manager, some of which are listed below:

Launching these products may result in them freezing or not loading.

When attempting to use an ArcGIS product with a Concurrent Use license, users cannot connect to ArcGIS License Manager, preventing the use of ArcGIS products such as ArcMap, ArcGIS Pro, and ArcCatalog. Problem: Unable to connect to ArcGIS License Manager Description
