Assume that you have FILESTREAM data on a database, and you enable the data deduplication feature on the volume where the FILESTREAM data resides. When you try to access the FILESTREAM data or the files on the FileTable share by using Windows APIs or Windows clients, you receive the following error 0x801F0005 message:
An invalid name request was made. The name requested cannot be retrieved at this time
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.