Windows 7 slow access on AD DFS network

We've been using Windows 7 for a while now on an Active Directory domain network.  For a reason or another about 2 or 3 times à day  all of a sudden, Windows 7 pro is getting very slow to access the network, most of the time when it is trying to browse throught the integrated DFS disk.   But also for browsing the network.  

Besides, the users can lose their connection with the DFS disk.  Than without any warning the connection is back.  

All DC and DFS servers are running Windows 2008 R2

We don't have this problem with Windows XP.
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maybe indexing service....
quadrumaneAuthor Commented:
On Windows 7 ?
quadrumaneAuthor Commented:
Where is the indexing service ?  I don't see any.
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quadrumaneAuthor Commented:
any idea ?
start > type index and in return values select indexing options ...etc...
quadrumaneAuthor Commented:
It doesn't change anything
quadrumaneAuthor Commented:
here is the solution

Try doing the following and see how you get on:
1.      Open the appropriate Group Policy object for the computer or computers on which you want to implement the change.
2.      In the left pane, click to expand the following items:
•      Computer Configuration
•      Administrative Templates
•      System
•      Logon
      Double-click the Always wait for the network at computer startup and logon setting.
      Click Enable, and then click OK.

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This fixed your computers on your network with access to DFS shares? Is this still working for you or did you find that there was something else that you had to do as well? We are having the same problems with our servers on our network, we are also getting a lot of users that are not being able to print throughout the day on Windows 7 and we have to have them restart their computers before they can print again.
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Windows 7

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