[Samba] user name and computer name are the same

Rowland Penny rowlandpenny at googlemail.com
Thu Nov 27 15:10:45 MST 2014

On 27/11/14 21:58, Allen Chen wrote:
> Hi there,
> I have two Samba 4.1.13 AD DC up and running. Everything is working fine.
> But today I found something weird with samba-tool. I couldn't 
> add/remove one
> particular user from group "Domain Admins"(not test with other groups).
> The user name is "safeacc', and also I noticed that there is a 
> computer called "safeacc".
> The following command runs successfully without err:
> # /usr/local/samba/bin/samba-tool group removemembers "Domain Admins" 
> safeacc
> check with this command, "memberOf" is removed from the user safeacc: 
> good
> # /usr/local/samba/bin/ldbsearch -H /usr/local/samba/private/sam.ldb 
> cn=safeacc
> but it still shows up from here:
> # /usr/local/samba/bin/ldbsearch -H /usr/local/samba/private/sam.ldb 
> cn="Domain Admins"
> But I can remove it from ADUC.
> Is it allowed for a user and a computer have the same?
> Or is it a bug with samba-tool?
> Thanks,
> Allen

You shouldn't use a computer name for a username, see here: 

What is more interesting, just how did you create a user and computer 
with the same name?


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