Questions tagged [samba4]

Samba4 is version 4 of Samba, the Linux implementation of the SMB/CIFS protocols. It is the first version of Samba with full Active Directory support, allowing a Linux server to become an Active Directory Domain Controller.

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Ubuntu 21.10 with Samba AD unable to create domain trust account

I am trying to add domain trust account for additional kerberos5 (MIT) domain in Samba AD DC with command: net rpc trustdom add <domain_name> -UAdministrator%<administrator_password> What ...
0 votes
1 answer
3k views

Samba 4 Office365 sync

I couldn't find any info on if it's possible to sync Samba4 AD with Office 365. The obvious idea would be to use a Windows server (non AD role) to install the Azure AD Connect software and run it ...
2 votes
1 answer
2k views

Samba AD: Create keytab for computer without net ads join?

Gist: I have set up a samba as AD DC. I'd like to export a keytab for SPNs for a computer account only without having the computer to run samba itself, or issue net ads join. Running samba-tool domain ...
3 votes
2 answers
2k views

Windows 10 clients flooding Samba servers with phantom guest login attempts

I am currently running a Samba server for file sharing on a SOHO network. I have noticed that one of the recent patches to Windows 10 seems to have introduced some sort of nasty bug with SMB that ...
0 votes
1 answer
621 views

Ubuntu login fails with a user of a trusted IDM domain (AD)

We have an IDM Server on a Rocky Linux distro configured with a Trust to a Samba AD DC (also installed on a Rocky Linux). So we created a user 'usupru2' on Samba AD DC under adtest.uy domain. Then we ...
5 votes
1 answer
178 views

Override template homedir on FreeNAS 11.3 joined in Active Directory

I've joined a FreeNAS 11.3 in an Active Directory and everything works as expected. But one feature that I'm really missing is some kind of override on mapped home directories for users. By default ...
2 votes
1 answer
2k views

Students can't install Extensions in Visual Studio Code

We are a school and would like to use Visual Studio Code together with the Omnisharp extension. The students' working environment has the following characteristics Server-stored home directories ...
0 votes
0 answers
1k views

Windows 10 login fails at Samba NT domain member

I have the following setup: A Samba server PDC acting as the Primary Domain Controller of a NT domain MYDOMAIN (not Active Directory!) A Windows 10 pro PC Win10 which is also a member of that domain ...
3 votes
1 answer
2k views

Samba4 AD Time Sync

I know this question is asked a lot, and I've googled for days, but none of the solutions I have found so far work. My problem is this: Windows 10 workstations are not syncing their time with my ...
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0 answers
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Unable to join a dc I just created with samba ad dc

I followed these instructions: https://wiki.samba.org/index.php/Setting_up_Samba_as_an_Active_Directory_Domain_Controller These instructions didn't work exactly as they read. There was one step I ...
2 votes
1 answer
342 views

Can I make `user` objectClass to inherit attributes from my custom `xyz` objectClass?

TL;DR: How can I make user objectClass in Active Directory to inherit the attributes from my custom xyz objectClass? More text: This seemed to be any easy task, but I I have been searching and ...
0 votes
1 answer
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It is possible to manage a Samba4 ADDC server with phpLDAPadmin?

I have installed a Samba4 and configured it as a Active Directory Domain Controller and works GREAT. Now I wonder, it is possible to manage it with phpLDAPadmin instead of RSAT? I'm kicking all ...
0 votes
1 answer
679 views

Compiled samba from source upgrade - version mismatch

I'm testing Samba 4 AD (test environment) on CentOS 8. First attemp was with version 4.13.5 without cups support because I have installed packages listed in section "Manually maintained ...
0 votes
1 answer
1k views

How to overcome the Weaker MD4 hash issue with samba

We are using samba configuration on our RedHat(RHEL7.9) systems, where SMB authentication is based on a NTLM password hash which basically a clear-text credential for a challenge-response ...
0 votes
2 answers
1k views

Samba AD Groups appear empty on Unix

Environment: fresh Debian 10 Samba 4.9.5-Debian as AD-DC, using internal LDAP, internal DNS, RFC2307 enabled, libnss-winbind enabled and configured, libpam-winbind enabled and configured fresh Debian ...
1 vote
2 answers
34k views

Samba4 & Active Directory Kerberos [Cannot contact any KDC for realm 'INTERNAL.CORP.COM' while getting initial credentials

Yesterday I configured an Active Directory Server using Arch Linux and Samba 4 following this guide. I even added a client to the domain and was able to log in successfuly on my client. After a ...
0 votes
1 answer
28k views

Samba DC - NT_STATUS_OBJECT_NAME_NOT_FOUND

What am I doing wrong!!! Argh!!! I’m trying to get an Ubuntu 14.04 server running Samba as domain controller. Setup is a VM (10.0.0.1, samba.test.local) running a fresh & basic installation of ...
21 votes
4 answers
99k views

How to configure Samba to work with Windows 10 1709?

A few PCs that have Windows 10 1709 installed (instead of upgraded from 1703) are having trouble connecting to network shares running on Samba (Ubuntu 17.10). Entries in event logs indicate that the ...
1 vote
2 answers
3k views

Samba4: Possible to build a AD Forest

currently I have to set up a completly new AD infrastructure. Right now most parts in that company are run by NT-DCs untill now. I bought a new Server installing a Samba 4 (Version 4.3) domain ...
0 votes
1 answer
983 views

how to export permissions/ACLs from Samba share to clients?

I have a Synology NAS running Samba that serves up shares in my network. I've set up autofs, LDAP and sssd and can mount Samba home directories on the fly when I log into Linux and MacOS machines. My ...
1 vote
0 answers
489 views

Kerberos issues with Samba4 AD DC when resolv.conf not set to use localhost

I recently did a "classis conversion" of our small NT4 Samba domain to an AD one on my Debian 10 "Buster" system. I got everything working as far as I can tell, but I don't ...
0 votes
1 answer
58 views

Odd user display discrepancy in standalone Samba server ("Account Unknown" vs "Unix User")

I am using a standalone Samba server on Ubuntu 18.04 (Samba 4.7.6). When an employee leaves the company, their Unix account ist locked (but not deleted). Their Samba account, however, is deleted via ...
3 votes
2 answers
335 views

Samba Read-only shadow copies

We are currently running a FreeNAS 11.1-U6 machine (Which runs Samba 4.7.0) which we use for development. Since sometimes files get overwritten or deleted by accident before it gets committed in our ...
29 votes
5 answers
92k views

Samba configuration for public shares

yesterday I upgraded my fedora box to the latest version, and with that, I also upgraded samba, now using samba 4. I used to access those share from any computer at home without user/password, but now ...
4 votes
2 answers
2k views

possible to make samba4's internal dns server listen on non-standard port?

Is it possible to make samba4's internal dns server listen on a port other than 53? I need to run two dns server's on this host -- my desire was to use dnsmasq on the standard port for client's and ...
3 votes
1 answer
27k views

connect to smb share with root access [closed]

Ok, I have smb configured on my Centos 6.7 environment, I have added the user root with smbpasswd -a and when I browse to the share from my windows box I connect with the samba root user I created a ...
2 votes
2 answers
9k views

Samba4 issues with Time Machine: cannot create new backup on Samba share

Note: originally posted on StackExchange. I'm not sure which location is more appropriate, my apologies if the duplication causes issues. TL;DR: Time Machine cannot create a new backup on my shared ...
0 votes
1 answer
1k views

samba-tool tool missing on Centos8 after samba412 package install

Cant find samba-tool on Centos8 after samba412 package install... dnf cant find it as well. dnf provides samba-tool Error: No Matches found What's more, there is no /usr/local/samba/bin folder ... ...
0 votes
1 answer
272 views

Centos8: Selinux blocking Samba service from starting

My Samba4 service is being blocked from starting using systemctl. The audit log shows: type=AVC msg=audit(1606428851.446:87): avc: denied { execute } for pid=1748 comm="(samba)" name=&...
1 vote
1 answer
538 views

Joining samba server into windows AD domain, but in DNS subdomain

We have a windows AD domain, let's say EXAMPLE.COM. With corresponding DNS domain example.com I want to have just a normal domain member. Ubuntu 20.04, Samba 4.11.6. Its DNS name is already ...
2 votes
0 answers
2k views

Insufficient permissions to join the domain

I'm trying to join a linux computer to an existing SAMBA4 AD domain, but I cannot: LANG=C realm -v join --user=ldap example.com * Resolving: _ldap._tcp.example.com * Performing LDAP DSE lookup on: ...
4 votes
2 answers
4k views

Forwarding Active Directory Queries through DNSMASQ

I've set up an AD domain controller through Samba 4. I'm using Samba 4's internal DNS Server for handling the SRV queries. However, due to project requirements, my clients need to have a DNSMASQ as ...
2 votes
2 answers
4k views

How to create a working samba PUBLIC share on Linux (smbd) for LATEST windows 10 client?

As we know, latest windows 10 upgrade has made samba client refuse to sue guest account. Some organization even make it impossible to disable this bug. This make it impossible to create a public samba ...
0 votes
1 answer
67 views

Several redundant automatic entries for all DHCP client machine host names in Samba 4 AD DC DNS

We have a Samba 4 AD DC installation wich is also the DNS in our network. It collects entries of all DHCP client machines with their addresses automatically. I can remember to have activated this ...
1 vote
1 answer
560 views

Group Policy: existing Policy values deleted when running gpupdate

Domain Controllers (2): Samba 4 Client: Windows 10 1909 x64 After joining a computer to the domain, when I run gpupdate /force for the first time, the values under these keys are deleted: HKLM\...
1 vote
3 answers
2k views

Older CIFS can not mount shares from Samba-4 server

I have a media-player, which used to connect to my main computer running Samba without a problem. It is running an old version of embedded Linux (kernel 2.6.22.19-27) and has CIFS. At some point, ...
3 votes
2 answers
26k views

protocol negotiation failed: NT_STATUS_CONNECTION_RESET

This may look like an old thread. But I tried all types of solution which are provided. But no luck. I have a Shared Folder from fileserver(windows server 2012 R2 - default samba 2.1) My client ...
2 votes
1 answer
6k views

samba4: session setup failed: NT_STATUS_UNSUCCESSFUL

I am having trouble with my samba4 installation. For a long time it has been working without issue. I use webmin to configure users and although the module is only supposed to support samba3 it works ...
-1 votes
1 answer
328 views

Can't connect samba domain to RSAT GPM

I have created a domain using Samba4 and while RSAT DNS works perfectly with the domain, GPM says " The Specified Domain Either Does Not Exist or Could Not Be Contacted". How can i fix this? ...
1 vote
2 answers
13k views

Samba4 join NT_STATUS_CONNECTION_REFUSED error

I have a Centos 7.2 server running Samba 4.6.13 as an active directory domain controller. I am trying to join a new Fedora 27 server running Samba 4.7.5 to the domain. The domain command will not ...
1 vote
1 answer
1k views

Using Samba as an AD domain member with consistent automatically generated POSIX attributes across Linux members

I am trying to join multiple Linux devices to a Windows Active Directory Domain with both Domain logon and Samba file sharing functionality. I am trying to avoid manually adding POSIX attributes to AD ...
0 votes
1 answer
883 views

SAMBA: valid users ignores local samba user

I have a linux server (SLES12 SP5) in a Windows domain. >smbd -V Version 4.10.5-git.192.26ffbcd72313.11.1-SUSE-SLE_12-x86_64 Accessing samba shares with a domain user works very well. ...
0 votes
0 answers
1k views

Single sign on with Samba AD DC, Linux servers, GSSAPI/Kerberos and Windows clients that are not joined to the domain

Setup We have: a machine running Samba 4 on Debian Buster as AD DC. another Debian Buster machine running Samba 4 as file server, joined to the domain with net join and using winbind for ...
0 votes
1 answer
653 views

SAMBA AD DC visible from external DNS

I have configured fully functional SAMBA AD DC server. During AD provisioning process i set up SAMBA_INTERNAL as DNS back end. I couldn't use "NONE DNS", it is not supported. I want to use ...
2 votes
1 answer
3k views

nmb won't announce samba shares

I'm using samba on Fedora Server Edition. But I can't figure out why any windows can not see it. It can connect (directly, using ip address). It basically works, but I can't see them on either linux (...
1 vote
1 answer
642 views

SAMBA netstat local address 0.0.0.0

Trying to run samba AD DC but I'm stuck. After created domain provision, I defined resolv.conf: cat /etc/resolv.conf nameserver 10.99.0.30 search example.com Service running: samba-ad-dc.service - ...
1 vote
1 answer
2k views

I can mount a samba share from windows and see what it holds but cannot create files or directories

[Newbie warning! this is my first time setting up Samba. I'm almost there but...] Server is running Centos 8, Samba V4.10.4 Shared filesystem is xfs, I have enabled extended attributes and tested ...
1 vote
2 answers
8k views

OracleLinux 7.3 - Samba 4.6.2 - NT_STATUS_ACCESS_DENIED

I have ran into an issue with SAMBA during a recent server build. Below is a configuration I have used many times without issues. Samba Configuration - (Anonymous is commented out but works fine ...
0 votes
0 answers
283 views

Samba AD on Debian 10

I have 2 VMs running, one for Windows 10 Pro and a second with Debian 10. Basically I would like to have the windows machine join the samba AD that's running on Debian 10 VM. I went trough the ...
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 ...

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