"Invalid characters" error when you sync files from Windows Explorer to OneDrive for Business
Note To determine which OneDrive sync client you're using, see the following Microsoft website:
When you use Microsoft OneDrive for Business (formerly Microsoft SkyDrive Pro) to sync files from Windows Explorer to a Microsoft SharePoint site, some files may not sync as expected. Instead, a red X is displayed on the file icon in Windows Explorer and then you experience one of the following problems:
- In the Microsoft Office Upload Center, you receive the following error message:Upload Failed
- OneDrive for Business - Sync problems appears in the notification area. When you click View sync problems, you receive the following message:X item can’t be synced with OneDrive for Business
Note X is the number of files that OneDrive for Business is trying to sync.
Under the Error column, the following message is also present:This file name contains invalid characters.
For more information about the characters that can cause this specific issue, see the “Invalid characters” section in the following Microsoft Knowledge Base article:
For more information about OneDrive for Business, go to the following Microsoft website:
Still need help? Go to the Office 365 Community website.
Article ID: 2813150 - Last Review: 03/08/2016 22:13:00 - Revision: 22.0
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