diff --git a/perl-xCAT/xCAT/Client.pm b/perl-xCAT/xCAT/Client.pm
index f29e4d67e..c3293ccf1 100644
--- a/perl-xCAT/xCAT/Client.pm
+++ b/perl-xCAT/xCAT/Client.pm
@@ -25,10 +25,12 @@ if ($inet6support) {
    $inet6support = eval { require IO::Socket::SSL; IO::Socket::SSL->import('inet6'); 1;};
 }
 
-# Is IPv6 enabled on the MN or xCAT client at all?
-my $ipv6enabled = `ip addr | grep inet6`;
-if (!$ipv6enabled) {
-    $inet6support = 0;
+if ($^O =~ /^linux/i) {
+    # Is IPv6 enabled on the MN or xcat client node at all?
+    my $ipv6enabled = `ip addr | grep inet6`;
+    if (!$ipv6enabled) {
+        $inet6support = 0;
+    }
 }
 
 unless ($inet6support) {
diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index 70b9ff1cb..78945ca77 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -65,10 +65,12 @@ if ($inet6support) {
    $inet6support = eval { require IO::Socket::SSL; IO::Socket::SSL->import('inet6'); 1; };
 } 
 
-# Is IPv6 enabled on the MN or SN at all?
-my $ipv6enabled = `ip addr | grep inet6`;
-if (!$ipv6enabled) {
-    $inet6support = 0;
+if ($^O =~ /^linux/i) {
+    # Is IPv6 enabled on the MN or SN at all?
+    my $ipv6enabled = `ip addr | grep inet6`;
+    if (!$ipv6enabled) {
+        $inet6support = 0;
+    }
 }
 
 unless ($inet6support) {