diff --git a/perl-xCAT/xCAT/FSPUtils.pm b/perl-xCAT/xCAT/FSPUtils.pm
index 63e9b8b78..04a7359c1 100644
--- a/perl-xCAT/xCAT/FSPUtils.pm
+++ b/perl-xCAT/xCAT/FSPUtils.pm
@@ -143,6 +143,19 @@ sub fsp_api_action {
 	    } else {
 	        $tmp_node = $fsp_name; 
 	    }
+	    
+	    # find parent for fsp/bpa, use parent's attributes first.
+	    my $ntype = xCAT::DBobjUtils->getnodetype($tmp_node);
+	    if ($ntype =~ /^(fsp|bpa)$/)  {
+	        my $ptab =  xCAT::Table->new('ppc');
+	        if ($ptab)  {
+	            my $parent = $ptab->getNodeAttribs($tmp_node, ["parent"]);
+	            if ($parent and $parent->{parent})  {
+	                $tmp_node = $parent->{parent};
+	            }
+	        }
+	    }
+	    
 	    ($user, $password) = xCAT::PPCdb::credentials( $tmp_node, $fsp_bpa_type,'HMC');        
 	    if ( !$password) {
 	        $res = "Cannot get password of userid 'HMC'. Please check table 'passwd' or 'ppcdirect'.";