The problem could affect any of the OneDrive accounts. There are reports where a business OneDrive account worked while a personal one didn’t, or even vice-versa. So, let’s find out all about the problem and how to get things up and running.

What is error code 0x8004def5 in OneDrive?

The error appears when users try to sign in or access OneDrive, and prevents the connection from establishing. And it mostly has to do with a problem at the user’s end. Here are the primary reasons you may come across the OneDrive error code 0x8004def5:

Poor Internet connectivity: Slow Internet speed is a common reason users encounter the error, so your primary approach should be to verify this. Corrupt system files: When your installation of the OS has corrupt system files, errors with OneDrive and other native applications are bound to appear. Misconfigured network settings: A security software or some privacy measure over the ISP or router settings could also lead to OneDrive error code 0x8004def5. OneDrive service is down: Though a rare occurrence, it’s likely that the OneDrive service is down, and in this case, things are automatically resolved within a few hours.

How can I fix OneDrive error code 0x8004def5?

Before we move forward, here are a few quick tips, tricks, and checks to perform:

Restart the computer. Ensure OneDrive is available and configured on your PC. Check the Internet speed, and if it’s unsatisfactory, fix the slow Internet speed in Windows. Verify that the OneDrive service is running through the dedicated Microsoft Service Health page, or you could use a reliable service like Downdetector. Install any pending Windows updates. Disable the antivirus, firewall, or VPN, if either is configured and running. Check your ISP or router settings, and ensure that Parental Control is disabled and OneDrive (https://www.onedrive.live.com/) is added to the list of exceptions. Make sure you are signed in with a Microsoft account on the PC and not a local account.

If none work, head to the fixes listed next.

1. Run the DISM and SFC scan

If it’s the corrupt system files to blame for the OneDrive error code 0x8004def5, running the DISM tool and the SFC (System File Checker) scan should do the trick. SPONSORED An even easier alternative for the above solution would be a specialized tool like Fortect that can automatically repair corrupt files by locating healthy components as replacements.

2. Delete OneDrive cache

3. Whitelist OneDrive in Windows Firewall

That’s it! If the firewall is blocking the program and triggering the OneDrive error code 0x8004def5, adding an exception for it will do the job.

4. Reinstall OneDrive

It could also be missing files or an improper initial installation to blame. In this case, reinstalling OneDrive should fix error code 0x8004def5. After you have fixed the error, check some quick tips to boost Windows performance and make the OS faster than ever. For any queries or to share a solution with us, comment below.

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