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 ee9828965..ecb5b870d 100644
--- a/xCAT-server/share/xcat/install/rh/compute_domain.rhel6.tmpl
+++ b/xCAT-server/share/xcat/install/rh/compute_domain.rhel6.tmpl
@@ -140,6 +140,8 @@ reboot
 #
 %packages
 #INCLUDE_DEFAULT_PKGLIST#
+pam_krb5
+nss-pam-ldapd
 %pre
 #INCLUDE:#ENV:XCATROOT#/share/xcat/install/scripts/pre.rh#
 %post