[Samba] Rejecting auth request from client xxx machine account, win7,

2012-01-17 Thread ESGLinux
Hi All,

I have a strange problem with my SAMBA server as PDC.


I have some win7 machines joined to my domain but when I try to access some
folders on the server I get  messages like these:

Authentication for user [machine$] - [machine$] FAILED with error
NT_STATUS_WRONG_PASSWORD

[2012/01/17 11:34:52,  0]
rpc_server/srv_netlog_nt.c:_netr_ServerAuthenticate2(555)
  _netr_ServerAuthenticate2: netlogon_creds_server_check failed. Rejecting
auth request from client machine machine account machine$


I have added the machine to the LDAP,

I have only the problem with the win7 machines. I think the problem has
begun some days ago. Before It works fine (win7 update perhaps?)

I have checked this url:
http://wiki.samba.org/index.php/Windows7

But it does not solve the problem.

I have samba-3.3.7-1 installed.

I have not idea which can be the problem, any help from there?

Thanks in advance

ESG
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Re: [Samba] Rejecting auth request from client xxx machine account, win7,

2012-01-17 Thread Rory Campbell-Lange
I wonder if this is following Windows Active Directory update 
KB2621146. See http://support.microsoft.com/kb/2621146 and
http://technet.microsoft.com/en-us/security/Bulletin/MS11-095

On 17/01/12, ESGLinux (esggru...@gmail.com) wrote:
 Hi All,
 
 I have a strange problem with my SAMBA server as PDC.
 
 
 I have some win7 machines joined to my domain but when I try to access some
 folders on the server I get  messages like these:
 
 Authentication for user [machine$] - [machine$] FAILED with error
 NT_STATUS_WRONG_PASSWORD
 
 [2012/01/17 11:34:52,  0]
 rpc_server/srv_netlog_nt.c:_netr_ServerAuthenticate2(555)
   _netr_ServerAuthenticate2: netlogon_creds_server_check failed. Rejecting
 auth request from client machine machine account machine$
 
 
 I have added the machine to the LDAP,
 
 I have only the problem with the win7 machines. I think the problem has
 begun some days ago. Before It works fine (win7 update perhaps?)
 
 I have checked this url:
 http://wiki.samba.org/index.php/Windows7
 
 But it does not solve the problem.
 
 I have samba-3.3.7-1 installed.
 
 I have not idea which can be the problem, any help from there?
 
 Thanks in advance
 
 ESG
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r...@campbell-lange.net

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www.campbell-lange.net
0207 6311 555
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Re: [Samba] Rejecting auth request from client xxx machine account, win7,

2012-01-17 Thread John Drescher
On Tue, Jan 17, 2012 at 5:59 AM, ESGLinux esggru...@gmail.com wrote:
 Hi All,

 I have a strange problem with my SAMBA server as PDC.


 I have some win7 machines joined to my domain but when I try to access some
 folders on the server I get  messages like these:

 Authentication for user [machine$] - [machine$] FAILED with error
 NT_STATUS_WRONG_PASSWORD

 [2012/01/17 11:34:52,  0]
 rpc_server/srv_netlog_nt.c:_netr_ServerAuthenticate2(555)
  _netr_ServerAuthenticate2: netlogon_creds_server_check failed. Rejecting
 auth request from client machine machine account machine$


 I have added the machine to the LDAP,

 I have only the problem with the win7 machines. I think the problem has
 begun some days ago. Before It works fine (win7 update perhaps?)

 I have checked this url:
 http://wiki.samba.org/index.php/Windows7

 But it does not solve the problem.

 I have samba-3.3.7-1 installed.

 I have not idea which can be the problem, any help from there?

 Thanks in advance


Have the windows 7 machines been in the domain for more than 30 days?
If so the machine password update can cause this. I believe if no user
is logged in and a machine password update happens from the client,
samba will not accept the change. At work I had to disable machine
password updates on all windows 7 machines to avoid this.

http://lists.samba.org/archive/samba/2010-October/158590.html


John

John
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Re: [Samba] Rejecting auth request from client xxx machine account, win7,

2012-01-17 Thread ESGLinux
2012/1/17 John Drescher dresche...@gmail.com

 On Tue, Jan 17, 2012 at 5:59 AM, ESGLinux esggru...@gmail.com wrote:
  Hi All,
 
  I have a strange problem with my SAMBA server as PDC.
 
 
  I have some win7 machines joined to my domain but when I try to access
 some
  folders on the server I get  messages like these:
 
  Authentication for user [machine$] - [machine$] FAILED with error
  NT_STATUS_WRONG_PASSWORD
 
  [2012/01/17 11:34:52,  0]
  rpc_server/srv_netlog_nt.c:_netr_ServerAuthenticate2(555)
   _netr_ServerAuthenticate2: netlogon_creds_server_check failed. Rejecting
  auth request from client machine machine account machine$
 
 
  I have added the machine to the LDAP,
 
  I have only the problem with the win7 machines. I think the problem has
  begun some days ago. Before It works fine (win7 update perhaps?)
 
  I have checked this url:
  http://wiki.samba.org/index.php/Windows7
 
  But it does not solve the problem.
 
  I have samba-3.3.7-1 installed.
 
  I have not idea which can be the problem, any help from there?
 
  Thanks in advance
 

 Have the windows 7 machines been in the domain for more than 30 days?
 If so the machine password update can cause this. I believe if no user
 is logged in and a machine password update happens from the client,
 samba will not accept the change. At work I had to disable machine
 password updates on all windows 7 machines to avoid this.

 http://lists.samba.org/archive/samba/2010-October/158590.html



Hi John,

I think the problem is just this.

I have logged out from the domain an rejoined the machine and now it works,

I have changed this in the registry:

Windows 7 Registry changes to avoid a 30 days password change problem

Client-Registry:
[HKLM\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters]
DisablePasswordChange=dword:0001


Now it´s working, and I hope that after 30 days it will continue working
;-)

Thank you very much for your help,

ESG




 John

 John

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