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Windows 7 and Samba Issue

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Not expecting much from this but i figured i'd throw it out there to see if anyone else has seen it.

I have a Windows 7 machine on my test network here whenever i attempt to connect to a linux based file server on the network it kills samba on the server. The steps go like this:
Start
-search programs....
\\server.domain.com or \\xxx.xxx.xxx.xxx (IP address fo server)
-Windows 7 can't find server error (even if i run the repair)
Immediately afterwards the samba service on the file server crashes and is non-responsive to other computers on the test network.
My Vista machines don't have this issue.

Anyone else seen this? If not then keep your eyes open if you run into a similar issue.

Besides this i like the new OS.

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- 1 +

Side note: I have reported this to Microsoft...

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Reply to lvdax

I also have this problem with the SMB servers on my Linux box, Mac and cheap NAS. This is really make or break for me, if there's no fix, I'm going to be sticking with XP, because it has no problems accessing devices running other OSes.

Reply to ergosteur
- 0 +

They fixed in in Vista so i am confident that they'll fix it in 7. But yes i have the same issue with MAC's and SMB.

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Reply to lvdax

I actually have Windows 7 working with my Mac OS X 10.4 Server, and my SuSE Samba Server. I used the Vista Hacks on this page to get it to authenticate: http://www.builderau.com.au/blogs/ [...] =339270746 And then added
ntlm auth = YES, lanman auth = YES (which without the hack kills the Win 7 Machine from looking), client ntlmv2 auth = yes to my smb.conf. Still trying to get it to join a samba domain.


Message edited by sirloxelroy on 01-20-2009 at 05:09:43 AM
Reply to sirloxelroy

Samba ok here? Windows 7 beta 32 bit and Ubuntu Linux 8.04 32 bit. Perhaps it's an issue with a particular distro? I can access from XP and Windows 7, the Samba service doesn't crash. I remember hearing something on the Floss weekly podcast episode 14 about Microsoft changing something within its networking protocols to deliberately thwart interoperability with Samba. Listen 35:00 minutes in. “The Microsoft engineers were apparently told to F*$k with Samba”!

Reply to CompTechPC

Well a week later and I'm trying to connect to my Samba share and guess what no dice! Seems I counted my chickens before they hatched! No connectivity from the Windows 7 computer, although the XP virtual machine which is a guess OS inside 7 connects great! Thanks Microsoft!

Reply to CompTechPC
- 0 +

Control Panel - Administrative Tools - Local Security Policy

Local Policies - Security Options



Network security: LAN Manager authentication level
Send LM & NTLM responses

Minimum session security for NTLM SSP
Disable Require 128-bit encryption



my SMB server worked after changing those two options

Reply to nikonz

bingo (post above) that even messes with 2000 server and win98 too

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Reply to techdeuce

Hooray! I am able to once again connect to my Samba share via Windows 7 after removing the stored credentials for the Samba share. Control Panel -> Credential manager.

Reply to CompTechPC

good to know. Thanks for updating the post.

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Reply to techdeuce

How did you remove your samba share credentials exactly?

Reply to sideffects

Yep. Same problem here. I read somewhere in the release notes for windows 7 that it does not support workgroups. The homegroup thing is a little unintuitive. I read that you must have a 2008 server running to create a domain that supports active directory for windows 7.

I guess microsoft is back to their unsociable proprietary quest for total control again. I was hoping that it would be a little more interoperable...

I downloaded the Server 2008 from the technet but it comes down as an .exe. (not .iso) So the only way I figure you can install it is over the top of a windows build. (probably vista or XP) I'm betting that they will have the same problem getting companies to go to server 2008 that they are having with the deployment of vista.

7 seems to run faster than vista but this failure to embrace diversity seems to be a little racially biased for me. Same old Bill Gates.

Reply to rzercher

nikonz wrote :

Control Panel - Administrative Tools - Local Security Policy

Local Policies - Security Options



Network security: LAN Manager authentication level
Send LM & NTLM responses

Minimum session security for NTLM SSP
Disable Require 128-bit encryption



my SMB server worked after changing those two options



Thanks, nikonz. This worked for me. Windows 7 Beta (client) and Mac OS X 10.5.6 (server).

My trouble wasn't that the server was turning off...it was that the client wouldn't connect at all.

Reply to thousandrobots
- 0 +

Bill Gates has little to do with MS these days. This is a beta, you cannot possibly expect that something like Samba interopability would be up and running 100%... that's why you have the feedback option. Samba is probably not a high priority at this point, but to suggest they would intentionally break it is Chicken Little-ish. It might even be fixed as of the Release Candidate which is available today.

Anything less would be a PR disaster for MS. They cannot appear to intentionally break anything at this point, because the anti-trust people would be all over them.

------------------------------ Desktop: Windows 7 Professional 64-bit; Intel Q6600 CPU; E-VGA 780i SLI motherboard; E-VGA E-GeForce 8800GT; OCZ Vista 4GB dual-channel kit; Ultra X2 750W power supply; 2 x Seagate Barracuda 7200.11 500GB in RAID 0. Laptop: Acer Aspire 8730-6314;
Reply to Zoron

Interestingly i didn't have this issue with Windows 7 Beta (LAN manager authentication level was already set to send NTLMv2 responses only, security was set to 128bit) and I had no problems accessing my Samba shares.

However in Windows 7 RC, the LAN manager authentication level wasn't defined, and i could not access Samba shares. As soon as i set it as per nikonz post, it worked again.

Many thanks for the fix :o)


Message edited by markey164 on 05-06-2009 at 03:10:40 PM
Reply to markey164

ergosteur wrote :

I also have this problem with the SMB servers on my Linux box, Mac and cheap NAS. This is really make or break for me, if there's no fix, I'm going to be sticking with XP, because it has no problems accessing devices running other OSes.



Be sure the SAMBA shares on the server are mounted as CIFS volumes.

Reply to Anonymous
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