Share via

OneNote Sync ERROR: We couldn't sync your notes because the server is busy. We'll try again later. (Error code: 0xE40200B4)

Arun Mirchandani 0 Reputation points
2026-06-19T19:14:07.47+00:00

I have been seeing this on my OneNote Windows 11 app for some time now. I have OneNote on both my iPad Pro and iPhone in addition to my Windows11. What could be holding up the sync.

This probably started about a week ago. Any pointers or help will be appreciated.

Microsoft 365 and Office | OneNote | For home | Windows
0 comments No comments

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.