NetApp
Vserver : Configuration > Services > Kerberos : Managing Kerberos : Editing Kerberos realm configurations
Editing Kerberos realm configurations
You can use System Manager to modify a Kerberos realm configuration associated with a Vserver.
Before you begin 
•
Kerberos must be configured at the cluster level.
•
You must have a minimum of two data LIFs on each Vserver for Kerberos setup with LDAP.
One data LIF is used by the SPN (Service Principal Name) for both the UNIX and CIFS hosts accessing over Kerberos. The other data LIF is used for accessing non-Kerberos traffic.
Note: The CIFS server is not required for basic NFS Kerberos access. It is required for multiprotocol access or when using Active Directory as an LDAP server for name mapping purposes.
About this task 
For more information about Kerberos Version 5 setup and configuration in the Cluster-Mode environment, see Technical Report 4073: Kerberos Implementation with Data ONTAP 8.1 Cluster-Mode and Windows Server 2008 R2 Active Directory.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
Expand the Vservers hierarchy in the left navigation pane.
3.
In the navigation pane, select the Vserver and click Configuration > Services > Kerberos.
4.
Select the interface and click Edit.
5.
Make the necessary changes and click OK.
Related Link:  
TR 4073: Kerberos Implementation with Data ONTAP 8.1 Cluster-Mode and Windows Server 2008 R2 Active Directory

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