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.

Filter by
Sorted by
Tagged with
0 votes
0 answers
517 views

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 ...
dustovich's user avatar
0 votes
1 answer
1k views

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, ...
Appleoddity's user avatar
  • 3,860
1 vote
2 answers
2k views

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-...
shodanshok's user avatar
  • 50.5k
1 vote
3 answers
5k views

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 ...
Cpt.Whale's user avatar
  • 412
1 vote
1 answer
1k views

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,
Cell-o's user avatar
  • 327
0 votes
1 answer
1k views

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 ...
JohnLBevan's user avatar
  • 1,312
2 votes
0 answers
527 views

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 ...
Jens's user avatar
  • 147
0 votes
0 answers
259 views

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.
Phatmandrake's user avatar
0 votes
1 answer
342 views

windows server RDP works but c$ shared folder access denied

this might be something simple, but I think I rather ask here. We have some servers in our environment which are in workgroup, they can ping each other, test-wsman is a success, RDP from one to ...
Vitas's user avatar
  • 157
0 votes
0 answers
82 views

Why is Windows seeing my NAS as two separate devices (one with FQDN, the other with local name)?

My home LAN has a Windows Active Directory domain, with the DNS name corp.example.com. My Synology NAS has the FQDN nas.corp.example.com.. My Windows 10 desktop has the FQDN cube.corp.example.com.. ...
Dai's user avatar
  • 2,299
0 votes
1 answer
4k views

SMB Connection to non-domain server

I have a service that needs to establish a SMB connection to several servers. There is no issue with domain-joined computers using a domain account with access. However, I need it to connect to a few ...
LT.Son's user avatar
  • 23
3 votes
0 answers
4k views

Setting up Samba in Docker

I am trying to set up a Samba server in Docker. I tried using dperson/samba image from docker hub at https://hub.docker.com/r/dperson/samba. I followed the instructions and tried to connect to it ...
chillsauce's user avatar
0 votes
1 answer
187 views

Kerberos using JAAS and SMB protocol

We are using JAAS for Kerberos authentication. As a requirement from the customer, we want to make sure that SMB V2 or higher must be used during communication with KDC/AD. I've few basic questions ...
Bhushan Karmarkar's user avatar
0 votes
1 answer
261 views

Local ethernet file transfers slower than internet downloads

I have an SSD drive connected to my router's USB 3.0 port. My computer is connected to the routeur directly through ethernet (no switch) and runs Windows 10. When downloading files from the internet ...
user236356's user avatar
1 vote
2 answers
2k views

Windows Server 2019 LMHOSTS File Does Not Work

I am trying to use the hosts/lmhosts files to create various aliases on my new Windows 2019 Server. It is on a corporate Active Directory Domain. "Use LMHOSTS" is checked in the TCP/IP ...
lordadmira's user avatar
3 votes
0 answers
1k views

Disabling NetBIOS for Samba SMB2

I need to get a pcap for SMB2, but without using NetBIOS as a transport (Direct TCP connection). I did disable netbios on server and client. Both sides on Linux. [global] ... min protocol = SMB3 ...
YpaHeL1's user avatar
  • 131
0 votes
1 answer
329 views

Problems accessing shared folder in Windows clustered file Server 2008 R2

Firs of all I need to apologise for my poor technical and language skills. I will try to describe a problem as detail as I can. There is subnet 172.16.10.0/24 In this subnet I have 3 servers 1 storage ...
John Constantine's user avatar
-1 votes
1 answer
60 views

Windows server SMB instances

Is it possible to setup 2 instances of SMB with build-in Windows SMB? For example: folders A, B, C and D are need to be shared. Server has 2 NICs. Is it possible to do that folder A and B is ...
SelfishCrawler's user avatar
0 votes
1 answer
515 views

file shared on SMB on zfs on linux cannot be read over network

The file can be opened locally. I think the problem is related to attributes or permissions somehow, but I do not know how to check them. The files are GoPro videos in a particular directory, and ...
Steven Lu's user avatar
  • 268
0 votes
1 answer
2k views

SMB file access behind NAT policy in firewall

I've got an file server behind a firewall (different network from my production network), so my computers are reaching files using a NAT policy in my Firewall. My users are having troubles and lost ...
Fred.G's user avatar
  • 11
0 votes
0 answers
185 views

Office files taking more than 30 seconds to load from network shares

Office files (Excel, Word etc.) have recently started taking 30 seconds + the normal load time to run from our file shares. We have it on several servers with 2012R2, 2016, 2019. We've also set up a ...
Carrier Pigeon Protocol's user avatar
1 vote
0 answers
698 views

Azure SMB File Share Permission Denied

We have an SMB share set up in Azure. Our infrastructure has an on-prem AD which synchronises with Azure AD and then there is an AADDS domain within Azure which has a copy of the user accounts. If I ...
RLBChrisBriant's user avatar
1 vote
1 answer
875 views

Event 1007: The share denied anonymous access to the client

the body of evevnt is: " **The share denied anonymous access to the client. Client Name: \10.139.70.35 Client Address: 10.139.70.35:49157 Share Name: \*\in Share Path: ??\C:\Users\jodat\Desktop\...
Ali Moradipur's user avatar
1 vote
1 answer
677 views

In what order to executable files get transferred and executed from a network share?

What is the difference between transferring an executable file to your local computer before running it vs directly running it from an SMB share. Does running it from the share transfer the whole file ...
Natecat's user avatar
  • 113
0 votes
0 answers
262 views

How should I block traffic to destination port using iptables?

I have received an abuse from my server provider and one thing which is the same is that the target on destination IPs is the SMB (445) port . How can I block destination traffic to port 445 using ...
Mr Pro's user avatar
  • 33
1 vote
0 answers
1k views

Error Uninstall SMB1

I tried to execute this command in powershell Uninstall-WindowsFeature -Name FS-SMB1 -Remove but encountered error message Uninstall-WindowsFeature: The request to add or remove features on the ...
xxestter's user avatar
  • 131
1 vote
0 answers
1k views

Azure Premium File Share slow over SMB

I m trying to use Azure Premium Azure file share as a mounted drive with SMB 3.0 on windows 10. But the performance are not that great, the upload is around 55mb/s and the download is around 20mb/s ...
fred_'s user avatar
  • 111
1 vote
0 answers
166 views

How can we use LDAP to authenticate SMB share in FreeNAS?

SMB service has been enabled, I can share using freeNAS created users to authenticate SMB share. But how can we use LDAP to authenticate SMB shares? Current LDAP configuration in running on different ...
Prabesh Thapa's user avatar
0 votes
1 answer
751 views

NAS drive mounted RW (in Linux) but some subdirectories are read-only

I'm mounting a set of NAS drives on my Linux box (Ubuntu 20.04) and everything seems to be working fine for most of the drives: sudo mount -t cifs //mynas/mydrive /mnt/mydrive -o \ credentials=/...
Alexander L. Belikoff's user avatar
0 votes
1 answer
2k views

Access Based Enumeration with Azure Files

Is it possible to enable Access Based Enumeration in Azure Files? We're using Azure Files with the AADDS integration enabled (per the setup discussed here - though with just the Azure Files; no local ...
JohnLBevan's user avatar
  • 1,312
3 votes
0 answers
2k views

Why isn't SMB Direct working over RDMA?

In a Windows lab environment, I'm trying to test performance of SMB Direct using Mellanox RDMA adapters with global pause. I wanted to test first with Global Pause for simplicity before switching to ...
Elliott B's user avatar
  • 200
0 votes
0 answers
4k views

Windows 10 asking for credentials for SMB Share when accessed via IP, but not when accessed via DNS hostname

Summary I have an SMB share on a domain-joined Synology DS416 NAS. A single computer on our network as a strange issue where the user groupuser can access the share via hostname \\group_nas\share ...
dthor's user avatar
  • 303
2 votes
2 answers
19k views

Access SMB over a custom port

I have the fileserver hosted on AWS. I was using smb port 445 to access the fileserver. I found out that some ISPs have blocked port 445, so I set up my fileserver instance behind AWS network load ...
SynAck's user avatar
  • 121
14 votes
1 answer
8k views

How do I find out what version of SMB is in use by each attached client to a Windows Server 2016?

I am trying to determine which version of SMB/CIFS is in use by clients attached to shared folders on my Windows Server 2016. If I run the powershell command Get-SmbConnection on the Windows Server, ...
J Smith's user avatar
  • 433
3 votes
1 answer
532 views

Azure files with Network File System

I have to run Moodle production servers in Azure. Need to keep userdata (moodledata folder) in a common location like NFS for better management and scalability. I tried Azure Files-SMB service (...
JineshJK's user avatar
0 votes
1 answer
4k views

NT AUTHORITY\ANONYMOUS LOGON with write access to SMB Share

I have just setup a fresh standalone Windows 2019 Server (Core) in a lab environment (i.e. for my own learning). In part, this is because I was interested in looking into null session configurations ...
kazza's user avatar
  • 119
1 vote
1 answer
2k views

Ricoh and Konica Printers fail authentication scanning to SMB shares

Hello I hope someone can give me some guidance here. I have spent the past week and a half trying to resolve this issue but have been failing so far. I will break down how the issue began and what I ...
Althoosier's user avatar
0 votes
2 answers
81 views

Long delays and slow performance of Server 2K8 R2 VM after upgrade

I used to have a Server 2003 R2 Hyper-V VM instance running on an Server 2012 R2. The performance was very good. THen, I was told that 2003 wasn't being supported anymore by a software package I use, ...
Oldschool's user avatar
4 votes
0 answers
3k views

Can't Disable SMB 2/3 Signing between Windows 10 and Windows Server 2019

I've been having some strange file copy issues between a Windows 10 client and Window Server 2019 system (DC/Fileserver). I don't want to explain that issue in detail here other than to say it ...
BenH's user avatar
  • 71
0 votes
1 answer
230 views

Server 2008 - Host SMB on one NIC only (without Windows Firewall)

First post here. I have a client with a Server 2008 R2 machine that hosts an SMBv2 share, as well as a non-Windows service on a secondary NIC. We don't want SMB connections to hit the secondary NIC, ...
Christopher Cabuzzi's user avatar
2 votes
1 answer
835 views

msdos 6.22: troubleshoot net share [closed]

The short question is how to check that a networked DOS6 (MS-DOS 6.22) machine loads its network and its shared drives OK. Both from within that machine and from another modern laptop (OSX or linux or ...
bliako's user avatar
  • 157
1 vote
0 answers
277 views

Install SMBv1 client on win10 without admin or compromising security? [closed]

This relates to Sending files from win10 to SMBv1 server? but it is broader. Feel free to edit/move/remove. Windows 10 update 1803 removes all functionality of SMBv1 unless explicitly set so by admin,...
bliako's user avatar
  • 157
0 votes
1 answer
407 views

Sending files from win10 to SMBv1 server? [closed]

Is it possible to only send files from a win10 machine (A), patched to disable SMBv1/CIFS client with 1803, to a very old device (B) using passwordless SMBv1 (strictly)? I was thinking along the ...
bliako's user avatar
  • 157
1 vote
1 answer
2k views

Unable to use Azure AD accounts to remotely authenticate to Windows

How can I use an Azure AD account to remotely authenticate to Azure AD-joined Windows? I have: Tried authenticating remotely using Azure AD accounts and every sign-in format that I'm aware of (...
mythofechelon's user avatar
4 votes
0 answers
3k views

Strange STATUS_ACCESS_DENIED issue with SMB2 client and Freenas CIFS SHARE

I've recently started seeing some strange SMB2 Errors on Windows 10 PCs (all of them version 1903). The Fileserver is running FreeNAS-11.1-U7 (with ZFS Volumes) and CIFS Shares with Active Directory ...
arpan's user avatar
  • 41
7 votes
4 answers
20k views

Expose Fileserver (SMB) over WEB / HTTP(S) Interface [closed]

I have a Windows Fileserver (SMB), for internal storage. I'm looking for a way to add a Web-interface to expose the fileserver over HTTPS. The requirements are: Accessible over HTTPS in a standard ...
Sam's user avatar
  • 370
0 votes
0 answers
31 views

I'm using a backup utility to backup my linux to an SMB share..having case sensitivity issues [duplicate]

I'm mounting an SMB share with an ext3 formatted drive from my home router. Wanting to backup some information from my linux box to the share. Is SMB/CIFS shared. Having issues with the fact that ...
BostonAreaHuman's user avatar
2 votes
1 answer
3k views

Linux: rsync to mirror SMB mount to local disk is very slow

I try to mirror a share mounted via SMB to a local dir. The share is hosted on a Windows 2016 server on which I have no access nor can I install any tools. All I have therefore is an SMB share. The ...
TylerDurden's user avatar
4 votes
1 answer
5k views

How to fix slow iSCSI speed (in comparison to SMB)?

I have a NAS which provides SMB and iSCSI targets, and a server which is directly connected via a 10 GbE link (no switch in between). I experience slow speeds with the iSCSI target in contrast to "...
burnersk's user avatar
  • 2,096
1 vote
0 answers
41 views

NFS/SMB - cluster phenomen (blade center / synology / multi nic)

I hope someone can help me as we have in the company a strange issue and not even our network experts have an idea. The setup: We have a hyper-v cluster hosted on 16 blades in a HPE blade Center/...
Fio's user avatar
  • 11

1
2
3 4 5
13