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In some cases, ArcGIS client software cannot check out or borrow a concurrent use license from the License Manager. A prolonged wait-time may be seen, or an error message similar to the following may be encountered:
"Provide your license server administrator with the following information: Cannot connect to license server system. The license server manager (lmgrd) has not been started yet, the wrong port@hostname in the license file is being used, or the port or hostname in the license file has been changed. Feature: <product> Server name: <license manager server hostname> License path: @ <license manager server hostname> FLEXnet Licensing error:-15,570".
This is issue is usually encountered when network speeds are slow, the client is connecting over a VPN connection, or when the client is situated geographically far from the License Manager. The steps outlined below have been found to mitigate the issue for users experiencing this problem.
The amount of time the program waits for a response from the license manager can be increased by configuring an environment variable at the client workstation. To do so, follow these steps: