Unable to Open Port
NI-Serial was unable to open this port. Possible causes for this problem are listed below:
The port is already open
You must close all open ports to run this test successfully. Close all serial applications and click Retest to rerun the NI-Serial Troubleshooting Wizard.
The port is disabled in the Device Manager
All NI Serial ports must be enabled to run this test successfully. Refer to the Device Manager to verify that all ports are enabled.