# Backup failing with key already exists exception on OneDrive

**URL:** https://forum.duplicati.com/t/backup-failing-with-key-already-exists-exception-on-onedrive/1157
**Category:** Support
**Tags:** hosting-services
**Created:** [October 25, 2017, 1:49am UTC](https://forum.duplicati.com/t/backup-failing-with-key-already-exists-exception-on-onedrive/1157 "2017-10-25T01:49:39Z")
**Posts on this page:** 1
**Showing post:** 7

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### Author: ![JonMikelV](https://forum.duplicati.com/letter_avatar_proxy/v4/letter/j/439d5e/32.png) [@JonMikelV](https://forum.duplicati.com/u/JonMikelV)
#### Post date: [October 28, 2017, 2:59pm UTC](https://forum.duplicati.com/t/backup-failing-with-key-already-exists-exception-on-onedrive/1157/7 "2017-10-28T14:59:43Z")

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It’s probably not related but I noticed OneDrive mentioned. Could your issue be at all related to this one?

> [@Installed Windows 10 Fall Creators Update - Now Local OneDrive Folder won't backup](https://forum.duplicati.com/t/installed-windows-10-fall-creators-update-now-local-onedrive-folder-wont-backup/1085):
>
> I installed the Windows 10 Fall Creators Update yesterday on my computer. Backups are working on all folders apart from my Local OneDrive folder which contains only locally sync’d files. The error is: Warnings: [Failed to process path: C:\Users\Name\Documents\OneDrive\ =\> I/O error occurred.] Duplicati is running as a service under Windows 10 v16299 Am running Duplicati - 2.0.2.10\_canary\_2017-10-11 I appreciate that this problem has been caused by the new version of OneDrive but if there is…

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