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Charon emulators for VE licenses support a backup license server to ensure service continuity should the primary license server become temporarily unavailable.
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Backup licenses are typically limited to a certain number of emulator runtime hours
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The example below shows the output of a time-limited license for general VE license mode:
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# /opt/license-server/license_viewer <<License Viewer>> Current license: License fingerprint: 07792211fc8ce3fdc085 <truncated> Customer name: Stromasys License ID: 01.00000001.002.020 Key type: COUNTDOWN Expiration date: 100 hour(s) Platform: amazon.aws Release date: 2021-06-17 13:08:01 Grace period: 120 minutes License check interval: 60 minutes Virtual Hardware: Charon-SSP/4M,Charon-SSP/4U Product code: Charon-SSP/ALL Expiration date: 2021-12-22 23:55:00 Major Version: 5 Minor Version: 3 Maximum CPU: 64 Maximum virtual memory: 1048576MB Instances allowed: 3 |
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Should the primary license server become unavailable, the emulator tries to connect to the backup license server. If this succeeds, the emulator continues to run without interruption. If no connection to a valid license can be established within 2 hours (general VE license mode) or 24 hours (AutoVE mode), the emulator will stop. The grace period is defined on the license.
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