2025年9月9日，清晨 3点23分开始，在 X 和 Facebook 用户集中报告，OneNote 客户端无法访问笔记本列表现象。

"We couldn't sync your notes because the server is busy. We'll try again later. (Error code: 0xE0001473 5bq4k)"

到 8 点 08 分渐渐恢复正常。

微软 365 服务器（消费者）公告

影响用户：

用户可能无法访问利用 Microsoft OneDrive 的文件、应用程序或服务。

最终状态：

我们已验证并部署了手动配置到所有受影响的服务基础设施。经过长时间的监测和用户确认，我们确定问题已得到解决。我们发现最近的一次变更中存在配置错误，导致用户无法访问服务

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.