OneNote outages: We couldn't sync your notes because the server is busy. Error code: 0xE0001473 5bq4k
September 8, 2025, at 7:35 PM UTC，reports from users of X and Facebook indicate that the OneNote client is unable to access the notebook list.
"We couldn't sync your notes because the server is busy. We'll try again later. (Error code: 0xE0001473 5bq4k)"
September 8, 2052, 11:39 PM UTC gradually returns to normal.
Microsoft 365 (Consumer)
Users may be unable to access files, applications, or services, which leverage Microsoft OneDrive
User impact: Users may have been unable to access files, applications, or services, which leveraged OneDrive.
Final Status: We validated and deployed our manual configuration to all affected service infrastructure. After an extended period of monitoring and user confirmation, we’ve determined the issue has been resolved. We determined that a recent change contained a misconfiguration which prevented users from accessing the service.
Start Time: Monday, September 8, 2025, at 7:35 PM UTC
End Time: Monday, September 8, 2052, 11:39 PM UTC
This is the final update.
