Flexlm error -57,17

Error Message

The following ArcGIS License Manager error is displayed when using ArcMap:"Flexlm error -57,17"

Cause

ArcMap is losing connectivity to the license manager.

Solution or Workaround

1. Obtain the IP address of the computer where the ArcGIS License Manager is installed.
2. Start the ArcGIS Desktop Administrator by navigating to Start > Programs > ArcGIS > Desktop Administrator.
3. Select the License Manager folder and click the Change button on the right-hand side.
4. Type in the IP address of the computer where the license manager is installed into the License Manager dialog box. Click OK.
5. If that does not resolve the problem, create a static TCP port for the license manager. See the link in the Related Information section before for information on creating a static TCP port.