How to Fix OneDrive Login Issues on CMCC Network in China
Question details
Users are unable to access or log in to Microsoft OneDrive while connected to a China Mobile Communications Corporation (CMCC) network.

- Product
- Microsoft OneDrive
- Device & OS
- not provided
- Scenario
- Attempting to access OneDrive files or the OneDrive web interface from China using a CMCC internet connection.
- Observed behavior
- The OneDrive website fails to load and login is impossible, likely due to an IP address block implemented on the CMCC network around March 22, 2023.
Verify whether you can access other international websites or if the connection issue is strictly isolated to Microsoft OneDrive on your current CMCC network.
Use the OneDrive Desktop Sync Client
Since the web interface might be blocked by the ISP, the local desktop sync application often connects using different protocols or endpoints that may still be accessible.
Network-level blocks often target the main web domain of a service. Using the dedicated desktop application can sometimes bypass browser-level restrictions, allowing your files to continue synchronizing in the background.
If you haven't already, download the official Microsoft OneDrive desktop application from a permitted network or alternate source.
Launch the OneDrive application on your PC or Mac and enter your Microsoft account credentials.
Once signed in and synced, open File Explorer (Windows) or Finder (Mac) to view and manage your files directly from the OneDrive folder without needing a web browser.

Connect via a Permitted Corporate VPN
Using a legally permitted corporate Virtual Private Network (VPN) can route your traffic around local ISP blocks.
Switch to an Alternative Network ISP
If the block is specific to China Mobile (CMCC), accessing OneDrive through an alternative provider like China Telecom or China Unicom might work.
Use WPS Office for Reliable Cloud Sync and Document Management
If you are experiencing persistent network restrictions with Microsoft OneDrive in China, WPS Office provides a robust, locally optimized cloud storage solution. It ensures smooth document synchronization without ISP interruptions while maintaining full compatibility with your existing Microsoft Office files.
- 1. Download and Install WPS Office: Visit the official WPS website to download and install the free productivity suite.
- 2. Sign in to WPS Cloud: Create an account or log in to access your free, highly accessible cloud storage space.
- 3. Upload your Office documents: Import your existing Word, Excel, and PowerPoint files directly into WPS Cloud for seamless cross-device synchronization.

Frequently Asked Questions
Why is the OneDrive website suddenly blocked on my CMCC network?
Network providers like CMCC sometimes block specific IP addresses, domains, or web services to comply with local internet regulations. This can result in sudden losses of access to international cloud platforms like OneDrive.
Does the OneDrive mobile app still work on the CMCC network?
Mobile app access is often affected by the same IP restrictions as the website. However, results may vary based on your specific region, DNS settings, and whether the app connects through alternative backend servers.
Can I recover my files if I can't log in to the OneDrive website?
Yes. If you have the OneDrive desktop client installed and previously synced your files to your computer, you can still access your local offline copies through File Explorer (Windows) or Finder (Mac).
Will changing my DNS settings fix the OneDrive login issue on CMCC?
Changing your DNS to a public international DNS (like 8.8.8.8 or 1.1.1.1) can sometimes resolve domain name resolution issues, but it generally will not bypass hard IP-level blocks implemented by the ISP.




