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Helpful answers
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Oct 22, 2014 7:16 AM in response to rebelscum75by flur,I am unable to connect to the SMB shares on my mac from Windows/Sonos clients on my network.
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Oct 22, 2014 7:50 AM in response to flurby rebelscum75,that does sound like a slightly different problem I experienced, can you try turn samba sharing off and on in File Sharing preferences.
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Oct 22, 2014 11:20 PM in response to flurby Side_Step_Society,Same issues as flur. Unable to connect to my Mac from my Windows machines with confirmed valid credentials.
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Oct 23, 2014 4:25 AM in response to Side_Step_Societyby rebelscum75,Could you try (a) turn samba off and on again in sharing or see if that helps, or (b) borrowing a possible workaround from http://www.jimmah.com/vista/net/ntlm.aspx , change the local security policy on your PC.
- Click Start
- Click Control Panel
- Click System and Maintenance
- Click Administrative Tools
- Double-Click Local Security Policy
- In the left pane, click the triangle next to Local Policy
- In the left pane, click Security Options
- In the right pane near the bottom, double-click "Network security: LAN manager authentication level"
- Click the drop-down box, and click "Send LM & NTLM - use NTLMv2 session security if negotiated"
- Click OK
Personally, I have had the PCs on my network connecting with Samba via Macports since OSX 10.8, and thats worked fine but not user friendly for anyone unfamiliar with Terminal.
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Oct 24, 2014 3:08 AM in response to rebelscum75by Thomas-M,Got exactly the same issue here, worked perfectly in mavericks. Since yosemite have been unable to access mac from windows via SMB
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Oct 25, 2014 7:59 PM in response to flurby Thomas-M,On your windows machine(s) effected, check the following registry key;
Key "LmCompatibilityLevel" located in directory HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa, you will find
this is already set to "1", change that from "1" to "3". It doesn't require a reboot and takes effect immediately.
This fixed the issue on all of my windows 7 and 8 machines.
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Oct 26, 2014 4:13 AM in response to Thomas-Mby jeremy.green,Thanks - also works on win 2003. Was set to 2 changed to 3 and all working.
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Oct 26, 2014 3:49 PM in response to jeremy.greenby Side_Step_Society,Same thing here. Value was set to 2, changed to 3 and issue was resolved.
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Oct 30, 2014 7:42 PM in response to Side_Step_Societyby rkutech,Changing from 1 to 3 resolved my issue. Thanks a lot
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Nov 21, 2014 7:12 AM in response to rebelscum75by rebelscum75,Thanks for your replies, to update my original post I installed Server 4 on a clean install of Yosemite, and have to admit file sharing in afp and smb has been working nicely for about a month, its not worked this well since I was forced to migrate from Snow Leopard Server.
There was one PC running Vista which encountered various errors copying to, or saving to the server. Tried all or most of the various 'fixes' on this and other forums with no luck. Ultimately the only thing that fixed it for me was upgrading to Windows 7. Now all fine.
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Nov 22, 2014 9:14 AM in response to Thomas-Mby mattlkelly1,I did find that on Vista and XP, after making the change a reboot was required.
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Dec 7, 2014 3:29 PM in response to rebelscum75by m stan,I have not been able to find an error free setting for Yosemite from among the five available in Win7 Ultimate regardless of whether smb2/3 is disabled or not on Win7. I appear to be sharing without problems under Mavericks with Win7 LmCompatibility set for "send NTLMv2 response - refuse LM and NTLM" (this appears to be equivalent to level 5 setting in your key) and smb2/3 disabled on Win7. I have achieved limited sharing from Yosemite to Win7 in that I can stream audio/video to Win7 but can't simultaneously record video back to the Yosemite share; I also get some write errors as well. So are you getting simultaneous read/write performance with Yosemite sharing to Win7?
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Jan 17, 2015 9:35 PM in response to rebelscum75by Erik Madsen,I had two servers where SMB completely broke on me once I updated to Yosemite. I had a scanner that could no longer connect, and I had one Windows user that was unable to connect.
My friend Charles had me log into terminal and type the following, which fixed the issue on both servers:
sudo server admin settings smb:ntlm auth = "yes"
sudo serveradmin settings smb:lanman auth = “yes”
Here is his whole post on the issue:
http://krypted.com/windows-server/yosemite-server-smb-and-windows/
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Aug 4, 2015 9:12 PM in response to Thomas-Mby Skinny Jim Compton,Thanks a million for this! I spent the better part of a day evaluating solutions in order to get this to work. This fix worked immediately for me!