ActiveXperts Knowledge Base Article 3100055
Our mission at ActiveXperts Software is to deliver high quality Network Monitoring solutions and Windows Development components.
Our goal is to supplement these solutions with timely support resources that can help at many different levels.
The first thing you want to do is try to find the answer to your problem in the Knowledge Base.
If you cannot find an answer to your question in our Knowledge Base, or if you need additional information or assistance, please use our Contact Support form.
This means that the port you are attempting to open is already in use by another application.
Check if there's another application that is already using the COM port. In some situations, you may want to benefit from a thing called 'port sharing', where one port can be shared by multiple applications. To benefit from 'port sharing', you must use Windows Telephony devices (like 'Standard 9600 bps Modem').
If you cannot find an answer to your question(s) in our Knowledge Base, or if you need additional information or assistance, please contact our Customer Support using our Contact Support Form