OneDrive access from Teams ends with "404 File not found"

Question

When i click on Files, on the left pane in Teams in order to access OneDrive only "404 File not found" appears. I think this happens since I changed my primary mail-address. I changed it back but the error persists.

Any ideas?

janakkhadka · Answer

Hi&nbsp;balwan&nbsp;,&nbsp;I understand the frustration you're experiencing with changing the Email Domain for your organization. I encountered a similar issue recently, but I managed to resolve it by following these steps:Resolution:Initially, I attempted to attach a file (whether in Chat or any Teams Channel) directly by uploading it from my device. However, this action prompted an error message.Upon encountering the error, I closed it and proceeded to sign out of the Teams app.After signing out, I then signed back into Teams.This simple re-signing into Teams seemed to do the trick for me. It's possible that Teams needed some kind of trigger to refresh its connectivity with OneDrive following the domain change.I hope this solution works for you as well. Let me know if you need any further assistance or clarification!

ramoncsp · Answer

We had exactly this problem (most probably after Name + Email Address change in MS Entra). After triggering the error with sending a file in a 1:1 chat, we received the error message. Try sending again worked. But OneDrive Tab in Teams was still "404 File not found". After signing out and closing window and open again, OneDrive was back and worked.
During the whole time OneDrive (not inside Teams) was available and worked.

balwan · Answer

Problem solved, maybe itself ¯\_(ツ)_/¯Thanks anyway.

jimvani · Answer

balwan&nbsp;Hello, I am having the same issue. Did you do anything to resolve this?

abelsbm · Answer

Thank you, this force-trigger finally fixed the ongoing issue for users.

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OneDrive access from Teams ends with "404 File not found"

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