krb5.conf) or to create a new one.

The file requires only the two lines contained in this view.
On a Windows host the primary location for the file is: NIAGARA_HOME/security/krb5.conf. Only if this file is missing would you fall back to the Java krb.conf or operating system specific krb.conf/ini.
On a Linux host the file location is: /etc/krb5.conf.