Doing this removes all explicitly set permissions on this folder, restoring inherited NTFS permissions from the local file ...

Doing this removes all explicitly set permissions on this folder, restoring inherited NTFS permissions from the local file system of the namespace server.
To restore inheritance of NTFS permissions from the local file system while preserving permissions set using DFS Management, click Cancel and then use the appropriate Dfsutil command. For more information, see DFS Management Help.