Questions tagged [server-message-block]
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.
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Not able to access an SMB share
I have a shared folder on server1.domain1.com, which I can access from server2.domain1.com using my account domain1\user without any issues. This confirms that the file share was created correctly and ...
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Cannot connect to Samba share via VPN
I have a Wireguard site-to-site VPN that connects successfully.
I can ping the remote Samba server using it's IP address 192.168.30.1
I cannot access a share over the VPN tunnel using its IP address \...
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specified network name is no longer available - admin shares
I have a win2k12r2 SharePoint server, I cannot access its admin shares c$ admin$.
SMB 1.0/CIFS installed,
SMB2 enabled
Can ping, and resolve hostname
UDP ports 137 not open and 138 not, and TCP ports ...
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Trouble debugging user access to Windows SMB shares
I am having trouble with 2 PC of my domain, both on Windows 10 1909, which I'll call "01" and "02", using a domain service account (called "s_automate" to connect to a ...
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Adding IPv6 address to Windows Failover Cluster yields empty SMB share
I have a Windows Failover Cluster set up with a file Server. There are two nodes and two networks.
Network 1 used for LAN SMB access and Network 2 used for private SMB storage for a bunch of Hyper-V ...
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Samba server - single user connection limit
Is there a limitation for samba server to allow multiple connection's from single user? (Multiple PC's connecting to same samba server with same account)
User was created through smbpasswd -a [...
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1
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NFS re-export between VPN-connected servers
I have two Linux NFS servers on two locations (two different networks), each providing at least one NFS share.
Those servers are connected through VPN and each other NFS is mounted to folder on each ...
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Difference between SMB and NAS
I am getting aboard my family businesses and every thing is made with Microsoft. I see that 90% of the processes can be done with free software, and in this case, file sharing. My father always ...
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Mount smb remote storage on debian with local disk caching using FS-Cache for CIFS
I am trying to connect a smb remote storage to my debian server and use the available space on the local disk as a cache using FS-Cache for CIFS. I have already tried the following code but it doesn't ...
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Cache basic files properties of a disk?
I have a large BTRFS disk on my Linux Samba server. The content of the disk is rarely accessed, so most of the time the disk is sleeping. When I need to check if to see basic properties, not the file ...
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SMB MultiChannel pinning a few CPU cores and not hitting NIC saturation
I have two servers with twin RDMA enabled 25GbE NICs installed. For the time being, during testing, they are direct connected... no switch between them. If I just make a single SFP28 connection ...
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Why cannot I map an DSF/SMB share using New-SmbGlobalMapping?
I've got a DFS folder: \\my.domain\Storage$
I'd like to map it to a particular Windows Server Core machine using the New-SmbGlobalMapping PowerShell command using specific credentials.
Alas, when I ...
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Printer mapping takes 20 minutes
I work for an MSP. One of my customers has a setup that looks vaguely like this:
The "source of truth" for their users is an on-premise Active Directory domain
They sync their users from ...
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Network drives autoplay
I am having some trouble figuring out what some SMB requests to an AutoRun.inf file are.
My situation is this, i have a fileserver Windows Server 2016, and all my workstations mount a shared drive ...
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Windows Credential manager and Samba
I've implemented a domain with one 'install N run' linux distro and have a few linux (debian 11) with all login's (ssh/smb) perfectly running, but sometime i have problems. Windows users from time to ...
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Unable to mount SMB shared : mount error(95): Operation not supported
I have created a shared folder in QNAP TS-433. I can mount the SMB share on a Windows client. I am unable to mount the SMB share on Linux (Centos 6.8).
mount -t cifs -o ver=3.0,user=test //172.17.134....
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Use smb share also as docker volume
I've one Debian 11 Server which has multiple smb-shares under /samba/.
Now I'd like to run multiple instances of a file synchronisation software called Syncthing inside docker containers on this ...
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Does an SMB share server "cache" permissions?
I'm trying to set up a somewhat complex access scenario for a shared folder (domain-joined Windows Server 2022) and I'm having some really weird things happen.
I've created 3 groups in AD: Top Test ...
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KRB5KRB_AP_ERR_MODIFIED trying to use SPN credentials
I'm trying to set up a Windows 2019 system as an SMB server to work with third-party software on an external, non-Windows system that uses Kerberos to authenticate to the SMB server. This SMB server ...
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CIFS Mount Share: Permissions on one File Seemingly Corrupted
I have a multi VM Windows (Server 2019) solution, hosted in a datacentre, with services which require a Redis cache. Due to security concerns, the Windows fork of Redis is not allowable. Therefore, I ...
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Logging samba share network activity
For the purpose of this question, I have a server called server1 hosting the samba network share share1 on my local network. User1 can access this share with read and write permissions.
I'm looking to ...
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NFS + SMB sharing file locks
Is there any way to share file locks between samba(smbd) and nfs(-kernel-server)?
I assume that this is hard to impossible on most linux distributions. The regular smb/nfs implementations have no way ...
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Hyper-V Failover Cluster without domain, possible to use an SMB share on the same cluster?
We are building a Windows Failover Cluster that will not be on a domain (a necessity), as outlined here. It will ultimately be just a Hyper-V cluster, hosting three Windows Server guests.
The basic ...
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What does it mean if I don't receive a SMB Negotiate Protocol Response from server?
What does it mean to not get an SMB Negotiate Protocol Response from server? Unable to mount fileshare drive (a third-party fileshare outside Azure). The architecture is similar to this one: https://...
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SMB share/Hyper-V - error 551 and error 1009
Setup:
Hypervisors:
HV1 (Server 2019)
HV2 (Server 2019)
Storage:
Storage0 (Server 2019)
Storage1 (Server 2019)
From the above -- you can see i have two file and two HV servers. I'm trying to use ...
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204
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Share folder on Linux to Windows clients with external ldap server authentication
Our main institute has a LDAP centralized based authentication for the entire university. It uses LDAP Directory Server with LDAPs on port 636 and it allows us to use it for centralized authentication ...
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321
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Slow rsync from Linux to Windows
I backup files using rsync from RHEL Linux to Windows 10 Pro using SMB/CIFS share. It works fine except it is much slower than Linux to Linux. Both computers are fairly modern Dell OptiPlex, having 6-...
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Why does connecting to SMB share also use wsman
When I connect to a file share using \servername\share in Windows explorer (windows 10 to a windows server share), I notice that there are also connections from my host to the destination server over ...
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Options to improve container volume mount's SMB metadata operations performance
Question
Are there any ways to improve metadata operation performance between a Linux based container running under Azure App Service and a mounted volume hosted in Azure Files?
Context
I recently ...
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Temporarily prevent SMB file from being locked in-use - Windows
I have a file \\server\share\myApp\app.exe that a handful of people run directly from the share. I need to update that file occasionally, but it is usually locked due to the open SMB sessions.
My ...
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How to install UWP apps on a Truenas SMB share
Overview:
Is it possible to install a UWP app on truenas via a smb network share? I know the whole encryption thing and acl will cause issues, but is there either a way to spoof encryption/acl?
...
user958870
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Why does a MS GPO option break SMB shares that use a hosts file for the machine name?
We've set "Microsoft network server: Server SPN target name validation level" to "Required from client" on our test GPO.
Our test systems have some custom machine aliases in their ...
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Samba file lock prevents media unmount
I have a small server with a samba share that sometimes I use to share removable disks connected in the hot swap bays.
After mounting a disk and accessing it, I try to unmount it, but umount refuses (...
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SMB Connection to Server fails with "The Network path was not found", SMB attempts to connect over HTTP
Have an issue where one spesific user is unable to connect to any SMB shares on any Windows Servers, they are not in the same domain, but there's Trust between the domains, and their user has the ...
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Video post production storage server - slow transfer speeds of small-ish files (1-2M) over SMB to ZFS pool. (CinemaDNG format)
I'm a Camera OP / Video editor, but I manage our post infrastructure for our team of 2 people at small production company.
We're having an issue with slow transfer speeds over the network from one of ...
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How to use SMB Multichannel over VPN?
According to this article SMB Multichannel can provide the following capability:
Increased Throughput - The file server can simultaneously transmit additional data by using multiple connections for ...
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How can I set up Unix permission sync properly with Samba SMB 3.1.1 [closed]
I currently have a NAS for our household (called Waitress) which is running Debian 11 with Samba using SMB 3.1.1. It is connected to a 1TB USB-SS HDD. I also have an Ubuntu machine which is my own ...
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Backup (SeBackupPrivilege) and restore privilege(SerestorePrivilege).for domain user
How do I verify the if the domain user has backup (SeBackupPrivilege) and restore privilege(SerestorePrivilege)? I tried added the domain user to backup operators group. But Whoami /priv command ...
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Is UID required when providing a GID in an fstab entry for an ntfs drive?
I have an Ubuntu Server 20.04 installed on a Raspberry Pi 4. I am trying to mount a hard drive that should be accessible by two different samba users (user1, uid=1001 and user2, uid=1002). I created a ...
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1
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No write permission on mounted CIFS drive
I'm on a Linux machine trying to mount an SMB share inside a big network via my Active Directory username:
mount -t cifs -o username=myuser,domain=mydomain //server/share /mount/path
After the ...
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NetFT - Validation Failed - SMB Network Path Not Found
Two new Windows Server 2019 Datacenter edition servers setup in a Failover Cluster, cluster validation is failing at 'Validate CSV Settings' as follows:
Validating Server Message Block (SMB) share ...
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Cannot access samba Ubuntu server via hostname UNC path (IP works) in Windows explorer
Setup
We have an AD server running on Windows Server 2012 (ad01.<domainroot>). There is a Samba file server running on Ubuntu 20.04 (fs02.<domainroot>). The file server is domain joined ...
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Using a Mikrotik router's SMB service as a file share witness gives error
I am having an issue trying to use use a Mikrotik CCR router as a file share witness in a WS2019 cluster. I can connect to the share with RW access on a standard Windows 10 machine as well as on one ...
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Why is file browsing so slow during file upload / saving over VPN?
Working remotely over VPN, when I save a large file to our file server, I am unable to browse any other file shares on the server during that time. Basically, windows explorer hangs up and is stuck, ...
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Domain Controller DNS alias
I recently updated an old Win2008R2-based domain to a new Win2019-based one (with the common promote / demote / decommission dance). This was for a very small office (3 peoples), so this is a single-...
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Clear cached authentication for network share
Context: I map a cifs share in windows using NTLMv2 authentication, as the legacy server doesn't support kerberos. I am not prompted for login:
net use S: \\server.domain.com\share /persistent:yes
The ...
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What is the equivalent of Get-SMBSession in Windows Server 2008?
What is the equivalent of Get-SMBSession in Windows Server 2008? I am not using Get-SMBSession inside windows Server 2008.
thanks,
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Why would blocking NetBios packets impact SMB3?
Question
Why should NetBios filtering impact SMB3 / the ability to connect to port 445?
Context
Some users (including myself) were having issues accessing file shares hosted in Azure Files from their ...
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SMB connection to MS-DOS server from Windows 10 1809+ fails
We need to interface with a legacy system that run MS DOS 6.22, with a TCP/IP stack and wg1049.exe to create a SMB server (more or less as described on this site).
Enabling SMB1.0 on our Windows ...
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How to force client to download files locally over SMB instead of holding the file open
Is there a way client or server side MacOS and Windows. To force a client to download files locally, rather than to hold the file open when being read?
Similar to how Chrome OS does this.
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