First command to unlock/lock door or other action via Kantech integration fails

Affected platforms

exacqVision Server 7.2.0

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Symptom

When sending a command to an access control module (lock/unlock door, activate/deactivate relays etc.) the first attempt may fail silently. This is likely to happen if the operator credentials are same as the connection credentials. All subsequent commands will succeed or fail with an error message.

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Workaround

Retry the command a second time or use different credentials for connecting to the Entrapass server and executing the command.

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Resolution

Update to exacqVision Server 7.2.1.85489 or higher