I tried to connect to my Onedrive account with Graph API with different browsers. Within the browser I saw that the authentication process was completed, but Netdrive says that the authentication failed. I am using Netdrive version 3.10.145 under Windows. I also tried to disconnect from my Microsoft account, but that did not help either.
I deactivated the firewall on my PC, did a port forwarding from my router to my PC for port 27001 and added Netdrive to the exception list of my anti-virus proram (Avira). But nothing really helped. When I click connect in Netdrive the browser shows “Authentication completed” and in Netdrive I see “Authentication failed.”
Please ask don’t ask me why, but today I tried to add the OneDrive (GraphAPI) connection for one last time and it worked. I don’t know why it works now, let’s leave it at that. So you can close this case.
Thank you for your support and stay healthy!