CIFS and Windows Server 2003

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From: faels (dweingarten_at_firstam.com)
Date: 04/28/04


Date: 28 Apr 2004 14:07:35 -0700

We are currently using FacetCorp's FacetWin to access resources on an
HPUX platform from Windows.

We recently upgraded one of our domain controllers to Windows Server
2003 Standard Edition. Prior to the upgrade, we were successfully
using this server to authenticate users trying to access NetBIOS
resources on the HPUX box. After the upgrade we started receiving
errors when trying to authenticate using the new 2003 DC. Everything
seems to work for a few hours before authentication starts to fail.

If we point the HPUX box to a Windows 2000 domain controller,
everything works just fine.

We have disabled all policies requiring SMB signing, and enabled
"Sending unencrypted passwords to third party SMB servers" for the
domain. I am also supporting all available types of LM and NTLM
authentication.

I have created SPNs for the Windows services that need access to the
Unix resources, trusted the associated machines and services users for
delegation, and still can't get it to work.

Can anybody tell me why this works on 2000 but not on 2003? Is it a
Kerberos issue? If so, is there any sound literature on service
principal names and their role in AD?

I tried capturing packets, but could not find any useful information.



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