OneDrive Error Codes

Fix OneDrive for Business Sign-In Error Code 3399614467

Nimra Malik Oct 8, 2026 869 views

Question details

The user is unable to sign in to the OneDrive for Business desktop client due to error code 3399614467.

How to Fix OneDrive for Business Sign-In Error Code 3399614467

Product: OneDrive for Business
Device & OS: Windows
Scenario: Attempting to log in and sync files using the OneDrive desktop client.
Observed behavior: The desktop sync client fails to sign in and returns error code 3399614467, while browser access to OneDrive may continue to function normally.

Before you start

Before troubleshooting the desktop app, open an incognito browser window and sign in to portal.office.com to verify that your OneDrive web access and account credentials are functioning correctly.

Solution 1Recommended

Reset OneDrive and Clear Local Credentials

Re-establishing a clean connection by unlinking your account, clearing the local credential cache, and reinstalling the client usually resolves stubborn sync and sign-in errors.

Desktop sync issues are frequently caused by corrupted local cached data or outdated Windows credential tokens that prevent the application from communicating securely with Microsoft servers.

Unlink your account

Right-click the OneDrive cloud icon in your taskbar, select 'Settings', navigate to the 'Account' tab, and click 'Unlink this PC'.

Clear Windows credentials

Open the Windows Start menu, search for 'Credential Manager', and click on 'Windows Credentials'. Locate any entries related to 'OneDrive Cached Credential' or 'MicrosoftOffice' and click 'Remove'.

Reset the OneDrive client

Press Windows Key + R to open the Run dialog, paste '%localappdata%\Microsoft\OneDrive\onedrive.exe /reset', and press Enter. This will clear the local cache.

Restart and sign in

Restart your Windows computer. Afterwards, download and install the latest version of the OneDrive client from the official Microsoft website, and attempt to sign in again.

Reset OneDrive and Clear Local Credentials

Data Safety: Unlinking and resetting OneDrive will not delete your files. They remain safe in the cloud and on your local drive, and will resync once you successfully sign back in.

Solution 2

Temporarily Disable Network Filters and Security Software

Network security tools such as VPNs, proxies, and firewalls can sometimes block the specific ports and domains required for OneDrive desktop authentication.

Solution 3

Check Microsoft 365 Service Health

If multiple users in your organization are experiencing error code 3399614467, there may be a widespread service interruption on Microsoft's end.

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Frequently Asked Questions

Why does OneDrive web work but the desktop client fails with error 3399614467?

Web access via a browser relies on standard HTTPS web traffic and bypasses local Windows credential caches and specific desktop networking protocols. The desktop client relies on saved local tokens and background services, which can become corrupted or blocked by system firewalls.

Will unlinking my OneDrive account delete my local files?

No. Unlinking your PC simply severs the active connection between your computer and the Microsoft servers. Your downloaded files remain exactly where they are on your hard drive, and your cloud files remain secure online.

Where can I find the Correlation ID for my OneDrive error?

The Correlation ID and Timestamp are typically displayed at the bottom of the sign-in error dialogue box. You can expand the 'Details' section of the error window to highlight and copy this information for your IT department.

Can I use OneDrive for Business alongside a personal OneDrive account?

Yes, you can have both a personal OneDrive account and a OneDrive for Business account active on the same computer simultaneously. They operate out of separate synced folders (indicated by different icon colors) and use different login credentials.

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