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Error: All licenses are in use

Error Message

When launching ArcMap, the following error message is displayed:

“All licenses are in use.”

Cause

This error message is displayed if the License Manager is being used or is not available to be used. In some instances, this error also occurs when other client machines return the borrowed license, but the return is not reflected in the License Manager.

Solution or Workaround

Restart or refresh the License Manager using either of the options below, and restart ArcMap.

Option A
1. Click Start > Programs > ArcGIS > License Manager > License Server Administrator.
2. Navigate to the Start/Stop License Service folder.
3. Click the Stop button to stop the license manager.
4. Click the Start button to start the license manager.
5. Click the Re-read Licenses button, and click OK.
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Note:
Restarting the license server overwrites existing data in the debug log.

Option B
1. Click Start > Programs > ArcGIS > License Manager > License Server Administrator.
2. Navigate to the Availability folder.
3. Click the Refresh button, and click OK.
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Option C
1. Click Start > Programs > ArcGIS > License Manager > License Server Administrator.
2. Navigate to the Availability folder.
3. Check whether the licenses are being used by a different machine. If yes, close ArcMap on the machine in which it is being used.
4. To check which machine is using the licenses in the License Server Administrator, click the Diagnostics folder, and select the View button.

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