[Samba] Samba 4.9, RSAT, Windows 10 - "Cannot Manage the operating System..."

[Rowland Penny]

On Wed, 2 Jan 2019 10:43:32 -0500
Marco Shmerykowsky PE <marco at sce-engineers.com> wrote:

> > /etc/hostname
> 
> machine123
> 
> > /etc/hosts
> 
> 127.0.0.1       localhost 
> 127.0.1.1       machine123.company-internal.company.com   machine123

The '127.0.1.1' should be the ipaddress of 'machine123'

> > /etc/resolv.conf
> # Generated by NetworkManager 
> nameserver 192.168.0.251

I take '192.168.0.251' is the ipaddress of 'machine123'
There should also be the line 'search company-internal.com'

> > /etc/nsswitch.conf
> 
> # /etc/nsswitch.conf 
> # 
> # Example configuration of GNU Name Service Switch functionality. 
> # If you have the `glibc-doc-reference' and `info' packages
> installed, try:
> # `info libc "Name Service Switch"' for information about this file. 
> 
> passwd:         compat winbind 
> group:          compat winbind 
> shadow:         compat windind 

Remove 'winbind' from the 'shadow' line, it cases problems and isn't
required.

> gshadow:        files 
> hosts:          files mdns4_minimal [NOTFOUND=return] dns myhostname 

try 'hosts files dns'
 
> > Is a firewall or selinux running ?
> 
> Iptables seems to be running.  Selinux is not

Check if all the required ports are open, see here:

https://wiki.samba.org/index.php/Samba_AD_DC_Port_Usage

Rowland