[Samba] net ads join must use AD Administrator account ?

[Jeff Lee]

Hi all,

I want to configure a samba server (3.0.25b) with krb5-1.6.2, 
openldap-2.3.37 and db-4.6.18 for single sign-on purpose. I have some 
questions.

1. Is the AD Administrator account for Samba to kinit and net join the 
AD only ?
2. Can I use a common user with "Create Computer Objects" permission to 
kinit and net join AD ?
3. I got "Failed to join domain: Strong(er) authentication required" 
error message when I run net ads join using non-administrator user 
account. Is it the error message of using non-administrator account to 
net ads join ?

Can anyone help ?

Thanks,
Jeff