Hello,
Thank you for contacting NetDrive Support.
To further investigate the Bad Gateway error occurring during authentication with SharePoint Online or OneDrive, could you please provide the following information?
- A screenshot of the error message or screen
- NetDrive log files
Please send the logs captured right after the error occurs, as this will help us identify the cause more accurately.
- Please set the log level to VERBOSE
- Reproduce the problem.
- Afterward, please follow the instructions in the following link to send us the debug log file:
Once we receive the information, we will review it and get back to you as soon as possible.
Thank you for your cooperation.