[Samba] Unable to Join Samba server to AD windows server 2008 R2

[steve]

On Thu, 2014-02-20 at 15:26 +0530, Murthy, Niranjan wrote:
> Hi
> 
> We are facing some issue While joining samba server to AD
> 
> We have ClearCase VOB server on AIX 5.3 with TL 12  and SAMBA version 3.5.0  installed on Aix server. The AD server is Windows 2008 R2. We are unable to  Join  Samba server to AD .
> 
> Command: net ads join createcomputer=<OU> -U <username>
Hi.ç

What's the output from the join command?
Can you:
kinit Administrator?
Does the primary DNS point at the DC?
HTH