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.
Questions tagged [server-message-block]
603 questions
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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 Group, Test Group A and Test Group B. Test group A…
MBender
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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 is joined to an existing Active Directory domain…
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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 setup will be two servers and a SAN connected to…
Tie-Guy
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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:…
Mel J
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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 SMB as the protocol to host the VM's storage. I…
slay3r9903
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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-core CPUs, 16GB memory, NVMe disks, 1 GigE NICs.…
Vinod Gupta
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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 normal procedure for similar SMB locked files is to…
Cpt.Whale
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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?
Configuration:
Server running truenas 12
Data shared…
user958870
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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 (even using -f) to do it because the disk is busy:…
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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 our cameras. This camera records to an SD card…
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How can I set up Unix permission sync properly with Samba SMB 3.1.1
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 laptop (called Rox). The goal is to use Waitress to…
Lennon McLean
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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 output shows that the domain user doesn't have the…
suresh
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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 of the member servers in the cluster so I know it…
dustovich
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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, if it does respond it takes several minutes and is…
Appleoddity
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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 home connections, receiving the below…
JohnLBevan
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