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OneDrive Error Codes

How to Fix OneDrive Desktop Client Connection Error 2604

Olivia MillerOlivia Miller Oct 21, 2026 869 views

Question details

The user needs to resolve a network connection error preventing the desktop cloud storage client from synchronizing files.

How to Fix OneDrive Desktop Client Connection Error 2604
Product
Microsoft OneDrive
Device & OS
Windows
Scenario
Attempting to sync local computer files to cloud storage using the desktop client.
Observed behavior
The desktop client displays a 'No Network Connection 2604' error and fails to sync, even though the web version functions normally and the network is active.
Before you start

Verify that your computer has a stable internet connection and check the Microsoft 365 Service Health status page to ensure there are no ongoing server outages affecting cloud synchronization.

Solution 1Recommended

Restart and Reset the OneDrive Desktop Application

This is the most highly recommended method to clear corrupted local cache data and force the desktop client to re-establish a stable server connection.

Connection Error 2604 often occurs due to cached credentials or background glitches within the desktop app itself. By thoroughly restarting the app and utilizing the Windows Store reset command, you can clear these bottlenecks without losing any of your stored files.

1
Quit the application

Click the cloud icon in the Windows system tray (bottom right corner), click the gear icon for Settings, and select 'Quit OneDrive' to completely close the background process.

2
Restart the executable

Click the Windows Start button, type 'OneDrive' into the search bar, and press Enter to launch the application again.

3
Run the Windows Store reset tool

Press the Windows Key + R to open the Run dialog box. Type 'wsreset.exe' and press Enter. A blank Command Prompt window will open and automatically close after a few seconds.

4
Execute the official reset command

Press the Windows Key + R again, paste '%localappdata%\Microsoft\OneDrive\onedrive.exe /reset' into the text box, and click OK. If you see a 'Windows cannot find' error, try pasting 'C:\Program Files\Microsoft OneDrive\onedrive.exe /reset' instead.

5
Trigger manual synchronization

Open your web browser, log into your cloud storage account online, and click the 'Sync' button in the top menu to force the desktop client to wake up. Wait 5 to 10 minutes for the file processing to resume.

Restart and Reset the OneDrive Desktop Application
Synchronization Delay: After running the reset command, the desktop client performs a full scan of your directory. It is normal for the process to take several minutes before the status updates.
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Frequently Asked Questions

What causes the No Network Connection Error 2604?

Error 2604 is typically caused by corrupted local cache data, temporary Microsoft 365 server outages, or strict local firewall settings that block the desktop application from communicating with the authentication servers.

Will running the reset command delete my locally stored files?

No. Resetting the desktop client solely clears application settings and forces a fresh synchronization check. Your actual files, whether stored locally on your hard drive or in the cloud, will remain untouched.

How long does it take for synchronization to resume after a client reset?

It generally takes between 5 to 10 minutes for the client to scan existing folders and re-establish the connection. This duration can increase depending on your network speed and the total number of files in your directory.