[libdefaults]
 default_realm = AD.HOLDING.COM
 dns_lookup_realm = true
 dns_lookup_kdc = true
 ticket_lifetime = 24h
 renew_lifetime = 7d
 forwardable = true

 [realms]
 AD.HOLDING.COM = {
 kdc = kom-dc01.ad.holding.com
 admin_server = kom-dc01.ad.holding.com
 }

 [AD.HOLDING.COM]
 .ad.holding.com = AD.HOLDING.COM
 ad.holding.com = AD.HOLDING.COM