Windows 7 SP1 - DFS Problem
I am getting an error accessing DFS on Windows 7 SP1 64 bit. This is happening on both upgrading from Windows 7 64bit no service pack and a new install of Windows 7 SP1 64bit straight from the media downloaded from the Volume Licensing Service Center website. The error is Error Code: 0x80070035 'The network path was not found' All other operating systems in our organisation don't have this problem it is only Windows 7 SP1 64bit. Has anyone else had a similar problem?
March 28th, 2011 4:09am

Some additional details: Windows Network Diagnostics Publisher details Issues found Windows can't find "\\domain\global\App Deployment" Windows can't find "\\domain\global\App Deployment" Detected Verify that you typed the name correctly, and then try again Completed Issues found Detection details 5 Windows can't find "\\domain\global\App Deployment" Detected Verify that you typed the name correctly, and then try again Completed Windows can't find "\\domain\global\App Deployment". The name might be misspelled. Detection details Network Diagnostics Log File Name: 68098F56-EBD2-4A17-9553-6EAC4ED7BD2C.Diagnose.0.etl Other Networking Configuration and Logs File Name: NetworkConfiguration.cab Collection information Computer Name: GRP-D0048 Windows Version: 6.1 Architecture: amd64 Time: Tuesday, March 29, 2011 10:34:22 AM Publisher details
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March 29th, 2011 3:38am

Hi, Could these Windows 7 SP1 access other server or share folder? According to the error message, the issue related with network path, please first make sure the network path is correct. And use “ping DFSIPaddress” in command prompt to DSF and see the result. Also you can perform these tests to troubleshoot the issue: 1 Login with Clean Boot 2 Temporally disable firewall 3 Enable NetBIOS over TCP\IP 4 Try using these KBs: http://support.microsoft.com/kb/977511 http://support.microsoft.com/kb/983620 Hope that helps. Regards, Leo HuangPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
March 30th, 2011 11:10am

Hi, Could these Windows 7 SP1 access other server or share folder? According to the error message, the issue related with network path, please first make sure the network path is correct. And use “ping DFSIPaddress” in command prompt to DSF and see the result. Also you can perform these tests to troubleshoot the issue: 1 Login with Clean Boot 2 Temporally disable firewall 3 Enable NetBIOS over TCP\IP 4 Try using these KBs: http://support.microsoft.com/kb/977511 http://support.microsoft.com/kb/983620 Hope that helps. Regards, Leo Huang Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Hi, Thanks for your reply :) I tried the sugested my results below. 1 Login with Clean Boot - Didn't fix the problem 2 Temporally disable firewall - Didn't fix the problem 3 Enable NetBIOS over TCP\IP - Didn't fix the problem 4 Try using these KBs: http://support.microsoft.com/kb/977511 - Didn't work. http://support.microsoft.com/kb/983620 - Does not install as it SP1 is installed
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March 30th, 2011 9:37pm

Try disabling "Offline Files" I hope that helps!
April 4th, 2011 5:15pm

Try disabling "Offline Files" I hope that helps! Just gave that a go, unfortunately it didn't work. Have also tried a suggestion here about the master browser, didnt work either. http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/2003_Server/Q_26923781.html This one really has me stumped.
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April 5th, 2011 1:50am

I'm running into this issue as well. Anyone have any other suggestions?
April 6th, 2011 2:33pm

Just to add further info. I have enabled net bios, disabled IPv6, updated drivers all to no avail. I can ping the DFS path ok, I can access the DFS root ok. Just seems to be when I access a share in the DFS root. If i type my local server where the path is actually shared from I can access that ok. The share \\domain\global\App Deployment < Doesn't work The share \\IP\Global\App Deployment < Doesnt work My local server share \\server\appdep_global$ < This works ok
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April 6th, 2011 10:18pm

More info. When I right click on the folder under DFS and go to the DFS tab the folder I cannot access, the "Refererral List" is pointing to the "Namespace Server" List rather than the "Folder Target" list.
April 7th, 2011 3:11am

More info. When I right click on the folder under DFS and go to the DFS tab the folder I cannot access, the "Referral List" is pointing to the "Namespace Server" List rather than the "Folder Target" list.
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April 7th, 2011 5:09am

Has anyone else come across this issue?Russo
April 14th, 2011 12:57am

Hi Guys, We are having tjhe same issue but only for our emea reginal domain. All other domains seem to be ok..very strange!! Going to try wireshark.. Anybody managed to resolve yet?
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April 14th, 2011 9:14am

Still havent resolved this yet. Have you come accross anything else? Are you only getting the issue on Windows 7 SP1?Russo
May 3rd, 2011 11:00pm

I tried the hotfix but it didn't work on win 7 sp1 machine. Any other suggestions?
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May 5th, 2011 4:44pm

I have a solution!!! From a Windows 7 Install (No service Pack) copy dfsc.sys from C:\Windows\System32\drivers. On the PC with Windows 7 SP1 replace dfsc.sys with this version. Restart your PC and viola. Test and confirm if you can get it to work. Russo.Russo
May 9th, 2011 1:09am

I have a solution!!! From a Windows 7 Install (No service Pack) copy dfsc.sys from C:\Windows\System32\drivers. On the PC with Windows 7 SP1 overwrite dfsc.sys with this version. You will need to take ownership of th existing file to replace it. Browse to C:\Windows\System32\Drivers Right click dfsc.sys and go to Properties Go to the Security Tab and click Advanced Go to the Owner Tab, click edit. Select "Administrators". Press ok on all dialog boxes. Again right click dfsc.sys and go to Properties Go to the Security Tab and click Edit Assign Full Control to all groups/users Restart your PC and viola. Test and confirm that it works. Russo
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May 9th, 2011 1:11am

I have a solution!!! From a Windows 7 Install (No service Pack) copy dfsc.sys from C:\Windows\System32\drivers. On the PC with Windows 7 SP1 overwrite dfsc.sys with this version. You will need to take ownership of th existing file to replace it. Browse to C:\Windows\System32\Drivers Right click dfsc.sys and go to Properties Go to the Security Tab and click Advanced Go to the Owner Tab, click edit. Select "Administrators". Press ok on all dialog boxes. Again right click dfsc.sys and go to Properties Go to the Security Tab and click Edit Assign Full Control to all groups/users Restart your PC and viola. Test and confirm that it works. **Note: dfsc.sys from this hotfix http://support.microsoft.com/kb/983620 does not resolve the issue. Russo
May 9th, 2011 6:17am

I have a solution!!! From a Windows 7 Install (No service Pack) copy dfsc.sys from C:\Windows\System32\drivers. On the PC with Windows 7 SP1 overwrite dfsc.sys with this version. You will need to take ownership of th existing file to replace it. Browse to C:\Windows\System32\Drivers Right click dfsc.sys and go to Properties Go to the Security Tab and click Advanced Go to the Owner Tab, click edit. Select "Administrators". Press ok on all dialog boxes. Again right click dfsc.sys and go to Properties Go to the Security Tab and click Edit Assign Full Control to all groups/users Restart your PC and viola. Test and confirm that it works. **Note: dfsc.sys from this hotfix http://support.microsoft.com/kb/983620 does not resolve the issue. If you wish to test you will need to extract the MSU file as it will not install on Windows 7 SP1 x64. To extract: expand -F:* Saved_MSU_File_Name.msu c:\MSUFolder expand -F:* Saved_MSU_File_Name.cab c:\MSUFolder Russo
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May 9th, 2011 6:17am

Hi Russo, Can you post version of dfsc.sys you downgrading to? We have similar problem with Win 7 32-bit (both RTM and SP1)
May 12th, 2011 11:05am

I confirmed that others had found the above fix. http://www.bench3.com/2011/05/error-0x80070035-network-path-was-not.html Was hopeful my issue would be resolved but no go. Replaced my SP1 DFSsc.sys file with a pre SP1 version - Version 6.1.7600.16385 Date 7/13/2009 but it still didn't work. The MS hotfix didn't work for me either. Note: dfsc.sys from this hotfix http://support.microsoft.com/kb/983620 does not resolve the issue.
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May 13th, 2011 6:24pm

Hi Aoisola, It is version 6.1.7600.16385, 14/07/2009 9:23AM, x64 Russo
May 15th, 2011 9:13pm

http://www.bench3.com/2011/05/error-0x80070035-network-path-was-not.html was taken from this very forum :) When you say "The MS hotfix didn't work for me either." Did you manually extract the file? I found just running that msu does not install for Windows 7 SP1. The file from KB 983620 is 6.1.7600.20714 17-May-2010 22:53 x64Russo
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May 15th, 2011 9:20pm

Hi Russo, Good catch on the fix link :) On the MS hotfix issue, I get the following error when trying to install it: "The update not applicable to your computer."
May 16th, 2011 8:24pm

Hi Autoxr, I've updated my answer about how to extract the file from the hotfix. Hope that helps :) http://support.microsoft.com/kb/983620 If you wish to test you will need to extract the MSU file as it will not install on Windows 7 SP1 x64. To extract: expand -F:* Saved_MSU_File_Name.msu c:\MSUFolder expand -F:* Saved_MSU_File_Name.cab c:\MSUFolder Russo
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May 17th, 2011 12:32pm

Did you have any luck with the latest version of dfsc.sys?Russo
June 15th, 2011 12:10am

Hi Russo, I'll try out your fix and post an update.
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June 20th, 2011 6:09pm

Hi Russo, Just tried your fix. I now have dfsc.sys version 6.1.7600.20714 and rebooted. Unfortunately, it still doesn't work for me. Note, I my workstation is not joined to the domain that is hosting the Domain DFS root but before SP1, I was able to. Please let me know what you think and thanks for your help.
June 22nd, 2011 11:37pm

Hmm.. Go to event viewer and start going through system logs to see if you can find anything out of the ordinary. What OS is your DFS sitting on?Russo
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June 30th, 2011 12:23am

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