diff --git a/perl-xCAT-2.0/xCAT/Template.pm b/perl-xCAT-2.0/xCAT/Template.pm
index 7a2f59913..910cea69b 100755
--- a/perl-xCAT-2.0/xCAT/Template.pm
+++ b/perl-xCAT-2.0/xCAT/Template.pm
@@ -70,6 +70,7 @@ sub subvars {
   #ok, now do everything else..
   $inc =~ s/#COMMAND:([^#]+)#/command($1)/eg;
   $inc =~ s/#TABLE:([^:]+):([^:]+):([^#]+)#/tabdb($1,$2,$3)/eg;
+  $inc =~ s/#TABLEBLANKOKAY:([^:]+):([^:]+):([^#]+)#/tabdb($1,$2,$3,'1')/eg;
   $inc =~ s/#CRYPT:([^:]+):([^:]+):([^#]+)#/crydb($1,$2,$3)/eg;
   $inc =~ s/#XCATVAR:([^#]+)#/envvar($1)/eg;
   $inc =~ s/#ENV:([^#]+)#/envvar($1)/eg;
@@ -156,6 +157,7 @@ sub tabdb
 	my $table = shift;
 	my $key = shift;
 	my $field = shift;
+   my $blankok = shift;
     my $tabh = xCAT::Table->new($table);
     unless ($tabh) {
        $tmplerr="Unable to open table named $table";
@@ -179,7 +181,9 @@ sub tabdb
     }
     $tabh->close;
     unless($ent and  defined($ent->{$field})) {
-      $tmplerr="Unable to find requested $field from $table in this context";
+      unless ($blankok) {
+         $tmplerr="Unable to find requested $field from $table in this context";
+      }
       return "";
       #return "#TABLEBAD:$table:field $field not found#";
     }
diff --git a/xCAT-server-2.0/share/xcat/install/centos/iscsi.tmpl b/xCAT-server-2.0/share/xcat/install/centos/iscsi.tmpl
index 73beb37ed..14fdcc81d 100644
--- a/xCAT-server-2.0/share/xcat/install/centos/iscsi.tmpl
+++ b/xCAT-server-2.0/share/xcat/install/centos/iscsi.tmpl
@@ -33,7 +33,7 @@ key --skip
 #
 
 iscsiname #TABLE:nodelist:$NODE:node#
-iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLE:iscsi:$NODE:userid#" --password "#TABLE:iscsi:$NODE:passwd#"
+iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLEBLANKOKAY:iscsi:$NODE:userid#" --password "#TABLEBLANKOKAY:iscsi:$NODE:passwd#"
 
 #No RAID
 #/boot really significant for this sort of setup nowadays?
diff --git a/xCAT-server-2.0/share/xcat/install/fedora/iscsi.ppc64.tmpl b/xCAT-server-2.0/share/xcat/install/fedora/iscsi.ppc64.tmpl
index 5793a7c24..2e03f88ce 100644
--- a/xCAT-server-2.0/share/xcat/install/fedora/iscsi.ppc64.tmpl
+++ b/xCAT-server-2.0/share/xcat/install/fedora/iscsi.ppc64.tmpl
@@ -33,7 +33,7 @@ clearpart --all --initlabel
 #
 
 iscsiname #TABLE:nodelist:$NODE:node#
-iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLE:iscsi:$NODE:userid#" --password "#TABLE:iscsi:$NODE:passwd#"
+iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLEBLANKOKAY:iscsi:$NODE:userid#" --password "#TABLEBLANKOKAY:iscsi:$NODE:passwd#"
 
 #No RAID
 #/boot really significant for this sort of setup nowadays?
diff --git a/xCAT-server-2.0/share/xcat/install/fedora/iscsi.tmpl b/xCAT-server-2.0/share/xcat/install/fedora/iscsi.tmpl
index f95ceda14..e9a155441 100644
--- a/xCAT-server-2.0/share/xcat/install/fedora/iscsi.tmpl
+++ b/xCAT-server-2.0/share/xcat/install/fedora/iscsi.tmpl
@@ -33,7 +33,7 @@ clearpart --all --initlabel
 #
 
 iscsiname #TABLE:nodelist:$NODE:node#
-iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLE:iscsi:$NODE:userid#" --password "#TABLE:iscsi:$NODE:passwd#"
+iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLEBLANKOKAY:iscsi:$NODE:userid#" --password "#TABLEBLANKOKAY:iscsi:$NODE:passwd#"
 
 #No RAID
 #/boot really significant for this sort of setup nowadays?
diff --git a/xCAT-server-2.0/share/xcat/install/rh/iscsi.ppc64.tmpl b/xCAT-server-2.0/share/xcat/install/rh/iscsi.ppc64.tmpl
index 9729fe7df..be00dde9c 100644
--- a/xCAT-server-2.0/share/xcat/install/rh/iscsi.ppc64.tmpl
+++ b/xCAT-server-2.0/share/xcat/install/rh/iscsi.ppc64.tmpl
@@ -33,7 +33,7 @@ key --skip
 #
 
 iscsiname #TABLE:nodelist:$NODE:node#
-iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLE:iscsi:$NODE:userid#" --password "#TABLE:iscsi:$NODE:passwd#"
+iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLEBLANKOKAY:iscsi:$NODE:userid#" --password "#TABLEBLANKOKAY:iscsi:$NODE:passwd#"
 
 #No RAID
 #/boot really significant for this sort of setup nowadays?
diff --git a/xCAT-server-2.0/share/xcat/install/rh/iscsi.tmpl b/xCAT-server-2.0/share/xcat/install/rh/iscsi.tmpl
index 65051f9d9..fb7d73579 100644
--- a/xCAT-server-2.0/share/xcat/install/rh/iscsi.tmpl
+++ b/xCAT-server-2.0/share/xcat/install/rh/iscsi.tmpl
@@ -33,7 +33,7 @@ key --skip
 #
 
 iscsiname #TABLE:nodelist:$NODE:node#
-iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLE:iscsi:$NODE:userid#" --password "#TABLE:iscsi:$NODE:passwd#"
+iscsi --ipaddr #TABLE:iscsi:$NODE:server# --user "#TABLEBLANKOKAY:iscsi:$NODE:userid#" --password "#TABLEBLANKOKAY:iscsi:$NODE:passwd#"
 
 #No RAID
 #/boot really significant for this sort of setup nowadays?