I built a Windows 2008 R2 SP1 VM server, installed DFS and created a namespace. I then added a folder and moved data from a CIFS share that was near capacity to free up space. Everything I have mentioned so far was just to alevaite the fact that the CIFS share was almost full. I built this server as a temp solution until I got the hardware in to build a new dedicated server for DFS/Storage. I have built the new Windows 2008 R2 SP1 physical server and also made it a namespace server. The performance of this server is Phenomenal. All the storage is local to the box as I am trying to consolidate all the shares around the network. I replicated the share from the temp server to the new server and removed the referral from the old server. I then copied a few new shares over to the new server and added a folder for each (no replication for these). I then moved the home drives to DFS. Everything has been going well for a few weeks. Yesterday users started reporting slow opening of files, specifically Excel and Word but I noticed PDFs opened slow also. This issue currently only affects Windows 7 users but only a handful. The nic, cpu and memory on the physical server have very low utilization. I have been unable to isolate the exact issue but if I point the users to the \\server\share, the files open VERY fast. I did notice that when I right-clicked on a mapped DFS drive, the DFS tab showed the status as Unreachable. I flushed the cache on the client and it went to OKay but file opening is still slow. After some testing it appears to take almost exactly 50 seconds to open a file every time. I am going to be away from the office for a few days so I went ahead and changed all the DFS mapped drives to point to\\server\share for now as I will not get it resolved before i leave. I also scoured the internet for resolutions and looked at all the related topics that were presented when I typed the title of this thread. I installed DFSUTIL on a few of the Windows 7 computers experiencing the slowness and the referrals look good. Every test through DFSUTIL looks fine.
Any recommendations would be greatly appreciated.
Thanks