diff --git a/xCAT-server/share/xcat/install/rh/compute_domain.rhel6.tmpl b/xCAT-server/share/xcat/install/rh/compute_domain.rhel6.tmpl
index 74b6c4b0f..2a37d3eb4 100644
--- a/xCAT-server/share/xcat/install/rh/compute_domain.rhel6.tmpl
+++ b/xCAT-server/share/xcat/install/rh/compute_domain.rhel6.tmpl
@@ -143,6 +143,7 @@ reboot
 pam_krb5
 krb5-workstation
 nss-pam-ldapd
+cyrus-sasl-gssapi
 %pre
 #INCLUDE:#ENV:XCATROOT#/share/xcat/install/scripts/pre.rh#
 %post
diff --git a/xCAT/postscripts/joindomain b/xCAT/postscripts/joindomain
index ca717fdbc..62588594f 100644
--- a/xCAT/postscripts/joindomain
+++ b/xCAT/postscripts/joindomain
@@ -26,9 +26,10 @@ if [ "$OSVER" = "rhels6" ]; then
     echo sasl_mech GSSAPI >> /etc/nslcd.conf
     echo sasl_secprops maxssf=0 >> /etc/nslcd.conf
     echo krb5_ccname /var/run/ldap_krb5cc >> /etc/nslcd.conf
+    sed -i '/# Mappings for Active Directory/,/^[^#]/ s/^#\([^ ]\)/\1/' /etc/nslcd.conf
     authconfig --update --enableldap --ldapserver=$LDAPSRV --ldapbasedn=$LDAPBASEDN
-    echo 'kinit -c /var/run/ldap_krb5cc < /etc/krb5.hostpass' >> /etc/rc.local
-    echo 'kinit -c /var/run/ldap_krb5cc < /etc/krb5.hostpass' >> /etc/cron.hourly/nslcdkrb.cron
+    echo 'kinit '$HOSTPRINC'-c /var/run/ldap_krb5cc < /etc/krb5.hostpass >& /dev/null' >> /etc/rc.local
+    echo 'kinit '$HOSTPRINC'-c /var/run/ldap_krb5cc < /etc/krb5.hostpass >& /dev/null' >> /etc/cron.hourly/nslcdkrb.cron
     chmod +x /etc/cron.hourly/nslcdkrb.cron
 fi
 #TODO: SLES/maybe RHEL5.  Uncomfortable with libnss_ldap without root_krb5_ccname, ldap needs diff credentials per user