Server Message Block is a network file sharing protocol created by Microsoft. This is the protocol used for file and printer sharing on Windows networks.

learn more… | top users | synonyms

29
votes
6answers
3k views

What are .DS_Store files and why does OSX leave them on Windows shares?

Whenever I access windows shares from OSX 10.5 it leaves .DS_Store files on the remote filesystem. What are they used for, and are they necessary, and can they be prevented from being created?
14
votes
12answers
34k views

Long pause when accessing DFS namespace

We've recently migrated our Windows network to use DFS for shared files. DFS is working well, except for one annoying problem: users experience a significant delay when they try to access a DFS ...
10
votes
2answers
12k views

How to force Windows to prompt for credentials while accessing share

By default when I access some computer's share ( typing \\hostname in Windows Explorer ) Windows passes credential of my current user. It prompts for credentials only when current user's credentials ...
10
votes
3answers
2k views

How did I get this Windows share to prompt for login?

Or: "Is this a thing? And how would I check if it was?" In an environment without a Domain Controller, when accessing a share on a Windows Server 2008 R2 box, from a remote computer without a ...
9
votes
6answers
7k views

Preventing Mac OS X clients from polluting Windows shares with resource forks

When Mac OS X clients copy files in a Windows share, they'll create some files like .DS_Store and ._ prefixed hidden files (that I think store resource forks of the files). How can I prevent ...
8
votes
2answers
8k views

How do you disable SMB printing support?

I'm running CentOS on a storage server that has to do file sharing for with Windows machines. SMB version is smbd version 3.5.5-68.fc13 I'm getting a lot of error messages in /var/log/messages ...
8
votes
3answers
2k views

Automatically mounting a network share as Shared Resource

we're running an ActiveDirectory environment (Windows 2008 Server, XP Clients) and want to have some shares listed as Shared Resources under the Network Neighbourhood. I do not want to map it to a ...
7
votes
5answers
3k views

SMB claimed to be “slow”

Our company network (which I believe is a windows domain run on server 2008) is painfully slow. A prime example of this is copying files over SMB - listings take minutes, and copying even modestly ...
7
votes
2answers
4k views

Does Samba work well with Windows when case-sensitive names are enabled?

I want to have a *nix Samba share accessible by Windows clients. Samba has an option to enable or disable filename case-sensitivity. Normally for windows access, this is disabled, so that ...
7
votes
4answers
2k views

Accessing CIFS shares from an OS X machine incredibly slow

This is a longshot, because this issue seems over-reported and unanswered on the internet (see references below), but it is about time this issue is permanently solved. The facts: Server: Windows ...
6
votes
3answers
10k views

Listing available smb shares on a network through the command line in linux

I was wondering if there is a way of listing all the smb servers on a local network (like looking at a network neighborhood in windows) via the command line in fedora.
6
votes
3answers
4k views

It is possible to put FreeNAS as Auth Server (SMB or LDAP), File server and Ubuntu as “Client” (Kerberos auth-pam)?

I want to configure my FreeNAS server as authentication server (user FreeNAS local user's to auth into ubuntu clients) and NAS server, of course. I have Ubuntu as clients and they are booting over ...
6
votes
5answers
2k views

Tell me the pros and cons of using WebDAV over SSL for file server access instead of SMB

In the organisation I'm in we have a mixture of OS X and windows XP. For years the Macs have also connected via SMB to the fileserver, however it's always been a bit flaky. On OS X it's prone to ...
6
votes
1answer
2k views

2008R2 DC owning PDC FSMO role does not become Domain Master Browser

last Saturday we promoted a new virtual 2008R2 server as dc and transferred all FSMO roles to it. Today we spend all day chasing down a problem with the domain browser function. First some ...
5
votes
7answers
10k views

Speeding up rsync over smb

I'm backing up a Linux box over SMB to a NAS. I mount the NAS locally and then I rsync a lot of data (100GB or so). I believe it's taking an awfully long time to do it: more than 12 hours. I would ...
5
votes
1answer
2k views

Recycle Bin for Network Share

We will be implementing a remote desktop server farm, where users' profiles will be hosted on a file server. I believe that doing this will allow users to delete files from their desktop/documents ...
5
votes
2answers
2k views

How could I determine which SMB client/session has a specific file open on a Server 2008R2 Windows file server?

What I need is a way to associate a client name or IP address with an open file, so that I can cleanly close the file for maintenance. NET SESSION doesn't show the names of open files and NET FILE ...
5
votes
2answers
2k views

Samba server not visible from Win network

Samba 3.5 on Centos 6.3 Synopsis: I set up Samba on my linux host, but none of my Win machines on the subnet can see the host name. My host name (WOLTEST) does not show up in any of the Win ...
5
votes
1answer
200 views

Can SMB3 Multipathing be weighted by policy?

Consider a configuration with two identical WS2012R2 servers. Both have quad-port network boards. Each has one NIC connected to a subnet shared by other servers and ultimately accessible to client ...
5
votes
1answer
608 views

SMBD daemon spikes at 100% cpu usage when Windows 8 clients connect

I have a server running Ubuntu 12.04 running as a Samba server. The file system is an XFS formatted virtual drive on an LVM pool of physical drives. I recently upgraded our clients to Windows 8 and ...
5
votes
3answers
9k views

How to fix OSX client to Windows share hangs?

I have 2 x MacBook Pro's (OSX 10.6.7) that access files stored on a 64-bit and a 32-bit Windows 7 PC. The MBP clients can connect to the Windows shares and transfer files with no problem. However, ...
5
votes
1answer
4k views

IRPStackSize and Accessing Windows 7 Shares from Windows XP clients

I received a new Windows 7 workstation (replacing an older Windows 7 workstation) and started running into errors accessing my file shares from Windows XP machines. I get various errors that seem to ...
5
votes
3answers
613 views

Samba setup to request password reset on first time login

Is it possible to setup Samba to ask for password reset when the user first logs in without the need to setup a domain controller? Would this work properly with Windows clients or with clients using ...
5
votes
2answers
102 views

Is there a way to connect a remote folder with local cache on OSX or Windows workstation?

A company with 50 graphic designers are working on the same file server. They are using mainly Indesign. A typical project is a 60 pages indesign document with 1.5GB of linked files (something like ...
5
votes
0answers
134 views

Why does our Windows 7 Desktop keep continually making SMB requests to our SBS2003 server? [duplicate]

Possible Duplicate: How do I deal with a compromised server? One of our desktop machines (Win 7 64 bit) has recently been complaining of slow down, particularly when accessing resources on ...
5
votes
2answers
1k views

Windows Server 2012 R2 performance for Mac OS X Clients (File Services)

I am inheriting a Windows 2012 R2 Server that is experiencing abysmal SMB/CIFS performance for Mac OS X Clients in particular. The server is doing file services and is an Active Directory Domain ...
4
votes
2answers
6k views

Secure way to mount a password protected cifs share in mac

I'm maintaining a heterogeneous network of mac and linux so I decided to create a little perl script to unify mounting strategies across machines. Actually, I already have a working perl script, ...
4
votes
3answers
1k views

How much network overhead (and file locking issues) can I expect for 25-50 users on a Visual FoxPro 9 ERP DB via SMB/CIFS?

Alternate question title: How can I translate “This software gives me the creeps” to a business case to upper management for not buying it? I am the IT Department for a small company which has ...
4
votes
1answer
37k views

TCP/IP ports necessary for CIFS/SMB operation

If I want to allow Windows networked drives between two firewalled computers, do I need to open ports 137-139, or is port 445 sufficient? I have to submit a form and get approval to open firewall ...
4
votes
3answers
3k views

Max (practical) files per folder on a Windows file share?

I support an internal application that stores files on a Windows Server 2003 SP2 file share. Because of how it is currently configured to store files, one folder has ~116,000 files in it (another has ...
4
votes
6answers
53k views

Why is samba denying me access to my share?

On my CentOS 5.2 box running Samba (3.0.33-3.29) I created a folder called /upload. In samba I configured a share like this: [upload] comment = upload folder path = /upload ...
4
votes
1answer
118 views

Linux servers in a (primarily) Windows (AD) environment

When I arrived at my current position, our environment existed almost exclusively of Windows servers. However, I am a big fan of using Linux for certain applications, like the webgallery I was asked ...
4
votes
1answer
710 views

How to troubleshoot Linux in-kernel dns_resolver

Linux provides a facility that lets kernel and its modules to resolve DNS names by relying on user-space tools. This, for example, is used by CIFS to support referrals in the DFS. The problem I'm ...
4
votes
2answers
11k views

How do I find out what version of SMB is enabled on a remote host?

My local machine is running Windows 7, which supports the latest released version of the SMB protocol (SMB 2.1). I also have a remote host, and I don't know what operating system or SMB-support ...
4
votes
1answer
2k views

Mount Mac OS X 10.7 share on CentOS?

I need to create a mount point/share on a Mac OS X 10.7.4 (non-server) machine that a CentOS 5.2 box can mount. I've searched a ton but most instances are for using a linux server and Mac client... ...
4
votes
1answer
2k views

Load balancing a Windows File Share using HA-Proxy

After pulling my hair out over DFS I just had this weird and potentially dangerous idea come into my head whereby, just possibly, I might be able to use HA-Proxy to load balance a file share between ...
4
votes
2answers
165 views

LockFile succeeds but ReadFile fails

I know it sounds like a programming question but it's actually not. Bear with me please: I have a customer who is experiencing a strange issue that I cannot explain: a program uses a file on a shared ...
4
votes
1answer
841 views

Default file permissions when copying from Windows share to OS X

I have an issue that I haven't been able to find an answer for. I have a handful of Mac designers here that started using a program called Articulate to generate flash objects to embed on our ...
4
votes
1answer
2k views

Mac OSX 10.6 leaves open files on Windows Server

We've got several Mac OS X 10.6 clients who connect to our Windows 2000 & 2003 File Servers - No Active Dir, just file shares. I'm finding that the Mac clients keep lots of connections open on ...
4
votes
1answer
2k views

Mounting windows shares with Active Directory permissions

I've managed to get my Ubuntu (server 10.04 beta 2) box to accept logins from users with Active Directory credentials, now I'd like those users to access their permissible windows shares on a W2003 R2 ...
3
votes
5answers
22k views

Windows networking performance (SMB/CIFS)

Are there registry settings or other settings available to tune Windows networking (SMB/CIFS) performance? I'm trying to get maximum throughput for large file copy operations but any settings would ...
3
votes
2answers
4k views

Why does windows (file) explorer try to connect to port 80 (http) instead just using smb?

Background: On an almost freshly installed pc I get a message along the lines of : "windows cannot find some-file-server-name. Check the spelling and try again"... when trying to access any ...
3
votes
2answers
978 views

How are CIFS and SMB related to each other?

Are they synonyms, or components of a protocol stack? Answers with proof links are welcome.
3
votes
3answers
5k views

Native SMB/CIFS through ZFS or Samba Instead

I was totally unaware of native SMB/CIFS on ZFS. This wiki doc does not mention performance differences. What kind of performance differences exist between the two?
3
votes
7answers
688 views

Favorite Document Management Systems

We are a small software consulting firm with 10 programmers. We have many corporate contracts and paperwork that we currently organized in a big file share with hierarchical directories. This is ...
3
votes
4answers
3k views

Differences between Active Directory Server and PDC

The Samba documentation states quite clearly that is only capable of functioning as an NT4 style Primary Domain Controller and can not function as an Active Directory server. I manage a group of ...
3
votes
2answers
467 views

Have a Linux files server authenticating against Active Directory. Is it possible to auto-create a user's home directory?

I have a Debian box authenticating against our Active Directory and it's working well. Currently, only users who've logged into the server via SSH (against AD) have an directory they can access ...
3
votes
1answer
16k views

Does enabling SMB2 on a NetApp filer require a cifs restart?

I would like to enable SMB2 on a FAS 2050 running Data ONTAP 7.3.2 as by default it is disabled. I have discovered that to enable SMB2 the following option must be set: options cifs.smb2.enable on ...
3
votes
1answer
147 views

Windows Fileserver Allow users to manage permissions on folders they create

I have a Windows 2008 R2 Fileserver serving Win and Mac (SMB) clients. I have say 5 folders: Happy Sad Lonely Stinky and Grumpy. All of the folders should be public to domain users except Happy and ...
3
votes
1answer
129 views

Windows 2012 R2 disables SMB1

We have a Windows 2012 R2 server that acts as a file server. Initially our copy machine worked with scanning to the file share. After an update, the scan to file share stopped working and eventually ...