Consider the following scenario:
You have a Windows 8-based computer that has Microsoft OneDrive installed.
You have a symbolic link in the local OneDrive folder. The symbolic link points to a folder that is not under the local OneDrive folder.
You upgrade from Windows 8 to Windows 8.1.
In this scenario, the files in the symbolic link folder are duplicated.
To resolve this issue, install update rollup 2911106. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2911106 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: January 2014
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates