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Authentication does not take place using Service for User (S4U) Kerberos as implied in the documentation
Article ID: 961886 - View products that this article applies to.
RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.
When you use the NFS service from Windows 2003 as described in the documentation for the NFS server. You may find that the authentication does not work, the user can not access the shares and the domain controller logs a security event in the eventlog.
The documentation for NFS server implies that Service for User (S4U) Kerberos is used to authenticate the user, if Active Directory Lookup is enabled and you are using and Active Directory domain.
If the domain is still in Windows 2000 mode, the Domain functional level must be raised to Windows 2003 in order to make Kerberos s4u authentication work.
Raise functional level of domain, or install the NFS authentication server on the Domain Controllers.
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Article ID: 961886 - Last Review: January 8, 2009 - Revision: 1.0