text: I have two Windows 2008 R2 servers with DFS. Drives map via group policy on Win 7 enterprise x64. When trying to access folders/files it takes a very long time. Any ideas? I've tried several suggetions from google. I get that green bar going accross also.
  2 Replies
  Nov 16, 2012 at 2:38 UTC
  How are the servers separated? A they on the same LAN, or are they separated over a WAN of some kind?
  If over a WAN, do you have AD sites set up properly? That is what DFS uses to find the closest server.
  And just to make sure, the clients are looking only to AD servers running DNS for their DNS servers, correct?
  Nov 16, 2012 at 2:44 UTC
  There are few things I would check.
  1 - what server you are being referred to and if that server is on a fast link or a slow link (you can see this usually by going to the properties on the dfs folder from the client and seeing what server it used. I believe there is also a test button there)
  2 - Make sure your sites are properly set up with proper link costs in AD (what ChristopherO is suggesting)
  3 - Try access each server directly to see if it is quick or slow
  4 - This could also be a DNS issue as DFS relies on DNS and AD to pick a server and handle the redirect. make sure your dns records are all resolving corretly
  5 - Make sure you have a local name server set up on each site for hosting your DFS namespaces
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