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SMB file sharing to SBS 2011 broken?

After upgrading to mountain lion, I am unable to mount SMB shares from my windows SBS 2011. When I use "connect to server" in the go menu, I get the screen to authenticate, I type the correct server user name and password, and then it cannot connect. When I brotse, I see the server, I connect as myself, and the finder shows directory "/". When I try to go farther, I get "The operation can't be completed becausse the original item for "/" can't be found. I am in a domain environment. The "kind" is Sharepoint, which leads me to believe it connected to sharepoint instead of my SMB shares.

MacBook Pro (15-inch Early 2011), OS X Mountain Lion

Posted on Jul 25, 2012 3:48 PM

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67 replies

Aug 22, 2012 5:56 AM in response to jdunruh

We have been having this issue since Snow Leopard; however, at that point in time it was with the username and password log in. Now it's to the point of mounting specific shares rather than the server in general. To mount our server shares for SMB you have to add the share folder's name when you connect to the server.


smb://000.000.0.000/sharename


Once the login window appears you need to enter the username and password as follows:

username 000.000.0.000\username

password password


The bad part is that even if you click on the KeyChain to remember this, it will not, you have to do this anytime you have to mount an SMB share, which for us is first thing in the morning when we start our computers. The login has been a headache for quite some time and now Apple has added another layer of annoyance with how you specify accessing your SMB shares. Fortunately it is just a pain for me when I initially setup a computer or a new share. This is the main reason I went with a Mac Server; however, this is the real world and our entire automation system is Windows based so there is no avoiding it, just embracing the horror of the fued started by Steve and Bill.

Aug 22, 2012 6:51 PM in response to Sailboat38

As promised, I worked with Apple Ent. support and after packet captures we saw that the issue occurs due to Mountain Lion only setting a MaxDataCount of 2084 bytes where as Lion used 16,644 bytes. If the list of shares contains more then 2084 bytes of data is causes the enumeration to fail subsequently causing the SMB connection to fail. If you specify the direct SMB url path then it will bypass the enumeration of the share list and connect.


This is why it may work in some environments where the server you are connecting to has maybe only a few shares (don't forget about the hidden '$' shares as well!) and not others where there are more than a handful of shares.


Some of the other issues in this thread were unrelated, but based on the OP's problem and the few others who had the same, this is the why. Apple confirmed the problem will be fixed in 10.8.1. I will be testing against a developer build shortly, but for now, if this is crucial to your deployment's success I would just hold off a little bit until 10.8.1 goes live, which I cannot imagine is too far off.


Hope that helps!

SMB file sharing to SBS 2011 broken?

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