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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] (13,243) ●3 ●4



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