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Monitor com port

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I have virtual com-port on a remote probe system and I'd like to have a sensor that shows if the port X is available,because sometimes windows randomly changed that port number and I need to know when it happened. Is there any way using WMI or whatever else to monitor that?

com-port rs232 wmi

Created on Dec 14, 2015 11:28:53 PM by dennis2015 (0) ●1



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Hi Dennis,

Virtual com ports are listed in the registry under HKEY_LOCAL_MACHINE\Hardware\Devicemap\Serialcomm

You can setup a Windows Registry Sensor to monitor the values here.

Created on Dec 16, 2015 11:40:41 AM by PRTG Tools Family [prtgtoolsfamily.com] (13,263) ●3 ●4



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.