Applies to:
Windows Server 2008 R2 Service Pack 1
Windows Server 2008 R2 SP1
W2K8 R2 Service Pack 1
W2K8 R2 SP1

An official KB article with a similar list is available at:
968429 List of currently available hotfixes for Distributed File System (DFS) technologies in Windows Server 2008 and in Windows Server 2008 R2
http://support.microsoft.com/?id=968429

Note:  You should check http://support.microsoft.com for the latest version of the different files.

List of DFS related hotfixes post Service Pack 1 for Windows Server 2008 R2 as of Oct. 21th, 2011:

2549311 You cannot access a DFS share by using a valid user account in Windows Server 2008 R2, in Windows 7, in Windows Vista or in Windows Server 2008
http://support.microsoft.com/?id=2549311
    Update(s):
        Dfsc.sys 6.1.7601.21730
    Supersede(s):
        2537589 SMB/CIFS sessions leak in Windows Vista, in Windows Server 2008, in Windows 7 and in Windows Server 2008 R2

2512723 DFS Namespace service requires a long time to process a NetDfsRemove request if the specified DFS link does not exist in Windows Server 2008 R2 SP1
http://support.microsoft.com/?id=2512723
    Update(s):
        Dfsn-serverservice-ppdlic.xrm-ms
        Dfssvc.exe 6.1.7601.21665
    Supersede(s):
        2464365 The ACL permission of some DFS folders is incorrectly reset after you restart the DFS Namespace service in Windows Server 2008 or in Windows Server 2008 R2
        2394849 The DACL of a DFS link is corrupted in Windows Server 2008, in Windows Vista, in Windows 7 or in Windows Server 2008 R2 if you use the Dfsutil.exe utility to export DFS         configuration data from the DFS link

2580164 You cannot access content through a symbolic link on an NFS share in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2580164
    Update(s):
        Nfs-clientcore-ppdlic.xrm-ms 
        Nfsclnt.exe 6.1.7601.21795 
        Nfsnp.dll 6.1.7601.21795
        Nfsrdr.mof 
        Nfsrdr.sys 6.1.7601.21795 
    Supersede(s):
        2563953 An SMB share is displayed incorrectly as an NFS share in Windows 7 or in Windows Server 2008 R2
        2532159 Application may stop responding when it accesses some NFS shares from the Client for NFS component in Windows Vista, in Windows Server 2008, in Windows 7, or in Windows Server 2008 R2

2554414 "0x0000001E" Stop error when you add some NFS shares to a DFS namespace or to a DFS Replication group in Windows Server 2008 R2
http://support.microsoft.com/?id=2554414
    Update(s):
        Msnfsflt.mof 
        Msnfsflt.sys 6.1.7601.17514 
        Nfs-servercore-ppdlic.xrm-ms 
        Nfssvc.exe 6.1.7601.21732 
        Nfssvr.mof 
        Nfssvr.sys 6.1.7601.21732 
    Supersede(s):
        2485543 You cannot access or mount a Windows Server 2008 R2-based NFS share after a failover if the NFS share uses Krb5 or Krb5i authentication
        2485529 "Permission Denied" error when a UNIX user accesses files on an NFS share in Windows Server 2008 R2
        2462576 The NFS share cannot be brought online in Windows Server 2008 R2 when you try to create the NFS share as a cluster resource on a third-party storage disk
        2359344 The inheritable ACEs may not be propagated correctly to the child object on an NFS share when you enable the KeepInheritance registry value in Windows Server 2008 R2

2466048 Previous versions of a file or of a folder in a DFS share are not listed if you access the share through a nested DFS link from a computer that is running Windows 7 or Windows Server 2008 R2
http://support.microsoft.com/?id=2466048
    Update(s):
        Twext.dll 6.1.7601.21624 

2560758 Files are deleted permanently
http://support.microsoft.com/?id=2560758
    Update(s):
        Shell32.dll 6.1.7601.21767

2521220 "0x0000001E" Stop error when you perform disk I/O-intensive operations on dynamic disks in Windows Server 2008 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2521220
    Update(s):
        Volmgrx-ppdlic.xrm-ms Not applicable 3,198 19-Mar-2011 07:54 Not applicable
    Volmgrx.sys 6.1.7601.21687 

2604201 Handle count of the DFSR service keeps increasing in Windows Server 2008 R2
http://support.microsoft.com/?id=2604201
    Update(s):
        Dfsrprovs.mof 
        Dfsrress.dll 6.1.7601.17514 
        Dfsrs.exe 6.1.7601.21820 
    Supersede(s):
        2461385 The DFS Replication service leaks download tasks, and an outgoing replication backlog occurs in Windows Server 2008 R2
        2450944 Some folders or files are unexpectedly deleted on the upstream server after you restart the DFS Replication service in Windows Server 2003 R2, in Windows Server 2008 or in Windows Server 2008 R2