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Accessing Server 2012 R2 shares from Windows XP

Posted on 2014-01-27
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Last Modified: 2014-02-01
I'm having issues only with Windows XP clients not being able to access Server 2012 R2 shares on one server.  They can access another Server 2012 R2 servers shares, as well as other Server 2012 shares.  

This server was recently upgraded from Server 2008 R2 Enterprise to Server 2012 R2 Standard.  The server itself can access all shares, and \\pc\c$, across the network.

I can ping the server by FQDN and IP, but cannot access shares either way.  Windows 7 clients are having no issues.

Error when trying to browse to \\server is

Windows cannot find \\servername.  Check the spelling and try again, or try searching for the item by......

If it matters, this server does have deduplication enabled on the data drive.  However, so do our other servers which XP clients can access.

Nothing in event logs really points out errors, on either the XP machines or the server.

The only thing I have really changed so far on this server is setting the LanmanWorkstation parameter for RequireSecureNegotiate to 2.
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Question by:DerekFG
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by:RAdministrator
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I vaguely recall having this issue with a 2008 R2 server right after deployment, and the solution was either an advertisement service on the server or a discovery service on the client.
On your server, in advanced sharing properties:
- have you tried activating sharing for 40/56-bit encryption peripherals?
- have you activated network discovery for domain networks?

Try these, one or both should work.
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by:DerekFG
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How do you activate the sharing for 40/56-bit encryption peripherals?

Network Discovery was off (and is off on all the other server 2012 that they can get to)

That did not fix the issue.
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by:RAdministrator
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Control Panel > Network and Sharing Center > (on the left) Change advanced sharing properties > under All Networks > File Sharing connections > Activate file sharing for 40-, 56-, ...


(do try to approximate, my system is in French)
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by:DerekFG
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No go, sorry.

I do see a lot about failover cluster and xp clients not connecting, but we are not using that.

I have verified that SMB1 is enabled on the server, turned firewall off on both ends fully, anti-virus off, etc.  Still cannot access the shares.
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by:RAdministrator
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Trying to replicate your issue...I'll get back to you.
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by:DerekFG
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I have a case open with MS at this point as well, they have spent a good 2 hours on it doing essentially what I have looked at.  Going to update the NIC drivers and turn off enablesecuritysignature under lanmanserver parameters, then reboot.
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DerekFG earned 0 total points
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Okay, here is the key to fixing this should someone else come across this same thing...

I think the problem was updating from Server 2008 to 2012.

In the end, I re-installed vmware tools, shut down the server, removed the E1000 adapter, added a vmxnet3 adatper, cloned the mac (this was just because we use lmtools for our autocad licensing)... added back my static.

Now all xp, 7, 8 and other server can access the shares.
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by:RAdministrator
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Thanks for sharing, we also had to implement this a couple of times. My apologies as I did not catch that it was a virtual machine.
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by:DerekFG
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Answered myself.
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