diff --git a/xCAT/postscripts/joindomain b/xCAT/postscripts/joindomain
new file mode 100644
index 000000000..028e284f8
--- /dev/null
+++ b/xCAT/postscripts/joindomain
@@ -0,0 +1,18 @@
+#First, set up kerberos, simple enough
+DNSDOMAIN=`dnsdomainname`
+UPDNSDOMAIN=`echo $DNSDOMAIN|tr a-z A-Z`
+LDAPBASEDN=dc=`echo $DNSDOMAIN|sed -e 's/\./,dc=/'`
+HOSTPRINC=`hostname`
+MYPASS=`dd if=/dev/urandom bs=1024 count=1|md5sum`
+authconfig --update --krb5realm=$UPDNSDOMAIN --enablekrb5kdcdns --enablekrb5
+(echo $TEMPHOSTPASS;echo $MYPASS;echo $MYPASS)|kpasswd $HOSTPRINC
+(echo $MYPASS)|kinit $HOSTPRINC
+KVNO=`kvno $HOSTPRINC|awk '{print $NF}'`
+(echo add_entry -password -p vs99 -k $KVNO -e des;echo $MYPASS|wkt /etc/host.keytab)|ktutil
+
+
+#ok, time for ldap
+LDAPSRV=`host -t SRV _ldap._tcp.$DNSDOMAIN|awk '{print $NF}'`
+sed -ie 's/#uri ldap:\/\/127.0.0.1/uri ldap:\/\/$LDAPSRV\//' /etc/nslcd.conf
+sed -ie 's/# base dc.*/base $LDAPBASEDN/' /etc/nslcd.conf
+authconfig --update --enableldap --ldapserver=$LDAPSRV --ldapbasedn=$LDAPBASEDN