OneDrive Error Codes

How to Fix OneDrive Sign-In Error Saying There Is a Network Problem

Steve K Oct 10, 2026 870 views

Question details

The user is unable to sign into OneDrive because the application incorrectly reports a network connection problem despite an active internet connection.

How to Fix OneDrive Sign-In Error Saying There Is a Network Problem

Product: Microsoft OneDrive
Device & OS: not provided
Scenario: Attempting to sign into the OneDrive application to sync files.
Observed behavior: OneDrive fails to sign in and displays a false network connection error, preventing the user from accessing or syncing their cloud files.

Before you start

Ensure you have backed up any unsynchronized local files to a separate folder before resetting or reinstalling OneDrive to prevent accidental data loss. Confirm your internet connection is active by loading a standard website.

Solution 1Recommended

Restart OneDrive and Adjust Basic Network Settings

A simple restart combined with fixing date/time mismatches or disabling VPNs resolves the majority of false network errors in OneDrive.

Incorrect system time or active VPNs frequently cause authentication server mismatches, leading OneDrive to interpret the issue as a network failure.

Restart your device

Close OneDrive completely from the system tray, then restart your computer to clear out temporary network glitches.

Verify date and time

Right-click the date and time on your taskbar, select "Adjust date/time", and ensure "Set time automatically" is toggled on.

Disable VPNs and Proxies

Temporarily turn off any active VPNs or network proxies through your system's network and internet settings.

Relaunch and test

Open OneDrive from the Start menu and attempt to sign in again.

Restart OneDrive and Adjust Basic Network Settings

Quick Fix Check: If the sign-in is successful after disabling your VPN, you may need to add OneDrive to your VPN's split-tunneling whitelist.

Solution 2

Clear the OneDrive Cache and Update the App

Corrupted temporary data or an outdated application version can block connection requests to Microsoft's servers.

Solution 3

Check Firewall and Antivirus Allowances

Overly strict security software might misidentify OneDrive as a network threat and block its access to the internet.

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Frequently Asked Questions

Why does OneDrive say there is a network problem when my internet works?

This usually happens due to misconfigured proxy or VPN settings, an incorrect system clock, or security software blocking OneDrive's specific servers despite general internet availability.

Will resetting the OneDrive cache delete my files?

No, resetting the OneDrive cache only clears temporary configuration data to fix sync and sign-in issues. Your actual files stored in the OneDrive folder will remain completely intact.

How do I know if my antivirus is blocking OneDrive?

You can temporarily disable your antivirus software's network protection module for a few minutes. If OneDrive successfully signs in during this time, your antivirus settings need to be adjusted to whitelist the application.

What should I do if reinstalling OneDrive still doesn't fix the network error?

If a clean reinstall fails, the issue may be rooted in your router settings or your Internet Service Provider blocking Microsoft endpoints. Try connecting to a different network, like a mobile hotspot, to isolate the problem.

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