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Why are all serial devices not shown on the Port Control properties page?

April 26, 2017CONTROL Devices page port properties serial

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Why are all serial devices not shown on the Port Control properties page?

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Some serial devices do not associate COM port names to serial devices in the registry. CommX will not detect serial devices if they are not associated with a COM port. You may notice some difference between port enumeration in Windows NT and Windows 9x.