OneNote sync error with error code: 0xE00009C8

Question

Recently, when I was using OneNote, I found that several notebooks could not be updated.

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Hanging VPN is invalid, closing the notebook and opening it again is invalid.

Error code: 0xE00009C8

Answer 1

The error code "0xE00009C8" in OneNote indicates that there is a sync issue with the notebook. This error can occur due to various reasons such as network connectivity issues, server issues, or conflicts with other programs. To resolve this issue, you can try the following steps:

1. Check your network connectivity and ensure that you have a stable internet connection.
2. Close and reopen OneNote to see if the issue resolves itself.
3. If the issue persists, try signing out of your account and then signing back in.
4. If none of the above steps work, try resetting the OneNote cache. To do this, close OneNote, go to the following location on your computer: "C:\Users%username%\AppData\Local\Microsoft\OneNote\16.0", and delete the "OneNoteOfflineCache.onecache" file.
5. If the issue still persists, you can try repairing or reinstalling OneNote.

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References:

• "0xE40200B4" and "0x800700DF" errors when you sync a notebook in OneNote - Symptoms
• "Content Not Yet Available" error in OneNote - Symptoms