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Mac users cannot connect after AD upgrade

Mac users cannot connect after AD upgrade

Mac users cannot connect after AD upgrade

I have a critical problem...

I replaced my last Windows 2003 Domain Controller with 2008 R2 and upgraded my Forest/Domain functional levels to 2008 R2.  I pointed the smb.conf to the new domain controller and PC users connect no problem.  However, I found out a day later that Mac users cannot.  It accepts their password but throws a generic error and won't connect.  Here's what I'm seeing in the logs...

[2012/03/13 08:16:28, 1] auth/auth_server.c:check_smbserver_security(363)
  password server SERVER.DOMAIN.COM rejected the password: NT_STATUS_INVALID_PARAMETER


[2012/03/13 11:08:48, 0] nmbd/nmbd_namequery.c:query_name_response(109)
  query_name_response: Multiple (2) responses received for a query on subnet for name DOMAIN<1d>.
  This response was from IP, reporting an IP address of

I need to get this fixed ASAP.  Any ideas out there?

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