OneNote sync failure error code: 0xE00009C8 bb0ur

Anonymous

Rebooted my PC today to finish Windows updates and now get this on all notebooks: "OneNote can't sync your notes right now. We'll keep trying. (Error code: 0xE00009C8 bb0ur)"

I've closed all notebooks, logged out and back in to my account and can open the notebooks but they all say "There aren't any sections here'.

The following I've done multiple times over the last 56 hours trying to resolve the issue: I've rebooted, performed O365 repair, SFC /SCANNOW, uninstalled/reinstalled O365, ran SARA to completely uninstall O365 the reinstalled, deleted the cache folder in the appdata folder, logged out of OneNote and back in, deleted all entries related to OneNote or my OneDrive account from credential manager. All of which did nothing to resolve the issue. I can open the notebooks on the web app, but when I try to open them in the desktop app from the web app it prompts me to login, I do, then it gives an error message: "We couldnt open that location. It might not exist or you might not have permission to open it." I'm able to create new notebooks from the desktop app tath get saved in my OneDrive, but I can't open any existing OneNote notebooks from my OneDrive.

I have multiple OneNote notebooks with hundreds of pages that I've accumulated of the years so I am not going to recreate (copy/paste) all of the content into new notebooks. Feels like a bad Windows update. Please help!

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Anonymous

Hello Dime_Baggins,

I'm a Product Manager from the OneNote team and I thank you for taking the time to explain the issue in detail.

We acknowledge that there's a known sync issue which is affecting some of our users on OneNote Windows app. We are actively working to fix this issue. In the meanwhile, you can access your notes from the OneNote Web app at onenote.com. Thank you for understanding.

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Answer accepted by question author

Anonymous

Hello OneNote community, thank you for your patience as we investigated this syncing issue. We've deployed a fix as of this morning and sync reliability is being restored today (Sept 3rd). To get your notes back in sync, right-click your notebook in the desktop app and select "Sync This Notebook Now." If you're still having issues by the end of the day, please feel free to post in this forum.

We really value all of our incredible users and thank you for sticking with us!

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123 additional answers

Anonymous

2024-09-02T21:18:30+00:00

Not sure if this is related to me being affected by the OneNote sync problem acknowledged by Microsoft, but I'm now facing another issue, where yesterday I was able to view an Excel file I had created and saved to OneDrive, now when trying to open it, I need to authenticate but told I no longer have permission to view that file, even though it was created by me, saved by me, and it's saved to my OneDrive then I'm asked if I want to request permission on SharePoint:

If I select yes, I'm able to open it in the web Excel and can save it locally.

Can anyone confirm if this is related to the syncing issue with OneNote? Is anyone else affected by this?
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Anonymous

2024-09-02T21:18:21+00:00

While I was able to find a copy of my Notebook online, the sync button is spinning endlessly and I can't close out the browser without losing changes. So I don't even have that.
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Anonymous

2024-09-02T20:59:43+00:00

I tried exporting into a zip, downloading and then trying to open with the onenote app. Same problem, no sections, can't sync, etc. But as you, comforting to have a local copy.

Bernd P. is correct. I had the downloaded copy on a synced space and it would not open with the onenote app. Moved it so it is on a local drive with no syncing and I can open it with the onenote app with no issues. Of course it is local, so it is not going to sync anywhere.
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