diff --git a/redfish-core/lib/ethernet.hpp b/redfish-core/lib/ethernet.hpp
index 5ccc25f..0469f74 100644
--- a/redfish-core/lib/ethernet.hpp
+++ b/redfish-core/lib/ethernet.hpp
@@ -1123,10 +1123,25 @@
                           const std::string& macAddress,
                           const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
 {
+    static constexpr std::string_view dbusNotAllowedError =
+        "xyz.openbmc_project.Common.Error.NotAllowed";
+
     crow::connections::systemBus->async_method_call(
-        [asyncResp, macAddress](const boost::system::error_code ec) {
+        [asyncResp, macAddress](const boost::system::error_code ec,
+                                const sdbusplus::message::message& msg) {
         if (ec)
         {
+            const sd_bus_error* err = msg.get_error();
+            if (err == nullptr)
+            {
+                messages::internalError(asyncResp->res);
+                return;
+            }
+            if (err->name == dbusNotAllowedError)
+            {
+                messages::propertyNotWritable(asyncResp->res, "MACAddress");
+                return;
+            }
             messages::internalError(asyncResp->res);
             return;
         }