How to FIX OneNote Connection error: 0xE0000070 b6d09

In this OneNote training video, we’ll show you what to do if you’re getting a connection error in your notebooks. The error may look like the following:

OneNote can't connect to the server. Sync will resume once we connect. You don't need to take any action. (Error code: 0xE000006B b6009)

With most connection errors, the problem can usually be resolved by fixing your internet connection, restarting OneNote, or rebooting your device. But if those methods fail, there are some other solutions such as temporarily disabling your firewall and antivirus to check if OneNote is being blocked.

Resources for OneNote Connection error: 0xE0000070 b6d09

Solutions:

  1. Check Firewall and Antivirus
  2. Clear OneNote cache
  3. Copy sections to new Notebook
  4. Restore backups
  5. Reboot
  6. Repair or reinstall OneNote
  7. Make sure OneDrive is online
  8. Contact Microsoft Support: https://support.microsoft.com/

OneNote cache location (Windows):

%localappdata%\Microsoft\OneNote\16.0\cache

OneNote cache location (Mac):

~/Library/Containers/com.microsoft.OneNote.mac/Data/Library/Caches/com.microsoft.OneNote
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John Gleave

John Gleave has been a researcher, content writer, and senior editor at Business Tech Planet since 2022. John was formerly a data analyst and web designer with expertise in several programming languages, such as JavaScript, JQuery, PHP, CSS, SQL, and more! With a passion for writing and technology, he has now focused his skills on crafting tech guides for BTP. You can connect with John on LinkedIn.

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