OneDrive File Issues

How to Fix Extremely Slow OneDrive Synchronization on a Second PC

Emma BrownEmma Brown Oct 26, 2026 869 views

Question details

The user is experiencing unusually slow synchronization speeds on a secondary PC when the same OneDrive account is actively syncing a large library on another device.

How to Fix Extremely Slow OneDrive Synchronization on a Second PC
Product
Microsoft OneDrive
Device & OS
Windows
Scenario
Syncing a large file library across multiple computers simultaneously using the same account.
Observed behavior
OneDrive synchronization becomes extremely slow or appears stuck on the second computer.
Before you start

Before troubleshooting, check if the primary computer has finished its heavy upload process, and ensure your internet connection is stable and not restricted by your ISP.

Solution 1Recommended

Reset OneDrive and Remove Bandwidth Limits

Removing bandwidth limits and resetting the OneDrive application clears temporary sync glitches and maximizes synchronization speed.

OneDrive allows users to cap upload and download speeds to save bandwidth. If this is enabled, it can drastically slow down sync processes on secondary devices.

Resetting the OneDrive client forces the app to perform a full sync and resolves underlying configuration errors without losing any local data.

1
Adjust Bandwidth Settings

Click the OneDrive icon in your taskbar, select Help & Settings, and go to Settings. Under the Network tab, set both the upload and download rates to "Don't Limit".

2
Run the Reset Command

Press the Windows key + R to open the Run dialog. Copy and paste the following command: %localappdata%\Microsoft\OneDrive\onedrive.exe /reset and press Enter.

3
Try Alternative Paths (If Needed)

If the previous command returns an error, try running C:\Program Files\Microsoft OneDrive\onedrive.exe /reset or C:\Program Files (x86)\Microsoft OneDrive\onedrive.exe /reset.

4
Restart OneDrive

Open the Windows Start menu, search for OneDrive, and launch the application to initiate a fresh synchronization.

Reset OneDrive and Remove Bandwidth Limits
Sync Initialization Time: After a reset, OneDrive will verify all files. This may take some time depending on the size of your library, but it will eventually restore normal sync speeds.
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Frequently Asked Questions

Why is OneDrive taking so long to sync files on a new computer?

When setting up OneDrive on a new or second computer, the application has to index and download the entire file structure. If the primary computer is still actively uploading a large library, bandwidth is split, causing significant delays. Removing bandwidth limits in OneDrive settings often resolves this.

Does syncing on multiple PCs slow down my internet connection?

Yes, if multiple devices are actively downloading or uploading large files to the cloud simultaneously, it can consume a large portion of your network bandwidth. You can manage this by staggering large uploads or adjusting bandwidth limits in the OneDrive Network settings.

How do I know if my OneDrive sync is stuck or just slow?

Click the OneDrive icon in your taskbar. If it shows the exact same file and progress percentage for an extended period (e.g., several hours) without any network activity, the sync is likely stuck. If the numbers are slowly changing, it is just a slow connection.

Will resetting OneDrive delete my local files?

No. Resetting OneDrive using the command line only resets the application's configuration and forces it to re-check all files. You will not lose any local data or files stored in the cloud.