"100: Access Denied" Error When Connecting to Port

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orbi
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Joined: Mon Jun 03, 2024 4:11 pm

"100: Access Denied" Error When Connecting to Port

Post by orbi »

When trying to connect port to CoolTerm, error:

"An Error Occured while attempting to open the port usbserial-01C5F777. 100: Access denied"
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roger
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Re: "100: Access Denied" Error When Connecting to Port

Post by roger »

Hi,

Error 100 typically means that something else is using the serial port. On Linux, it can also mean that you don't have the necessary privileges to access the port, in which case you need to make sure that your user ID is part of the dialout group (more info here: https://askubuntu.com/questions/210177/ ... ion-denied)
Which platform are you using?

Roger
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