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I am relatively new to Kerberos, we have integrated Active Directory for authentication. I.E. When we do kinit ad_user, we get a valid TGT.

Now I want to run the application as a user in headless mode as application accepts Keytab. Is there a way using which we can generate a keytab for a particular user of Active Directory?

Many thanks.

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See Creating Kerberos Keytab Files Compatible with Active Directory.

On windows host:

ktpass /princ username@MYDOMAIN.COM /pass password /ptype KRB5_NT_PRINCIPAL /out username.keytab

Kinit using keytab:

kinit username@MYDOMAIN.COM -k -t username.keytab

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