diff --git a/redfish-core/lib/service_root.hpp b/redfish-core/lib/service_root.hpp
index 2a1803d..e2f32bb 100644
--- a/redfish-core/lib/service_root.hpp
+++ b/redfish-core/lib/service_root.hpp
@@ -16,6 +16,9 @@
 #pragma once
 
 #include <app.hpp>
+#include <async_resp.hpp>
+#include <http_request.hpp>
+#include <nlohmann/json.hpp>
 #include <persistent_data.hpp>
 #include <registries/privilege_registry.hpp>
 #include <utils/systemd_utils.hpp>
@@ -64,6 +67,19 @@
     asyncResp->res.jsonValue["TelemetryService"] = {
         {"@odata.id", "/redfish/v1/TelemetryService"}};
     asyncResp->res.jsonValue["Cables"] = {{"@odata.id", "/redfish/v1/Cables"}};
+
+    nlohmann::json& protocolFeatures =
+        asyncResp->res.jsonValue["ProtocolFeaturesSupported"];
+    protocolFeatures["ExcerptQuery"] = false;
+    protocolFeatures["ExpandQuery"]["ExpandAll"] = false;
+    protocolFeatures["ExpandQuery"]["Levels"] = false;
+    protocolFeatures["ExpandQuery"]["Links"] = false;
+    protocolFeatures["ExpandQuery"]["NoLinks"] = false;
+    protocolFeatures["FilterQuery"] = false;
+    protocolFeatures["OnlyMemberQuery"] = false;
+    protocolFeatures["SelectQuery"] = false;
+    protocolFeatures["DeepOperations"]["DeepPOST"] = false;
+    protocolFeatures["DeepOperations"]["DeepPATCH"] = false;
 }
 
 inline void requestRoutesServiceRoot(App& app)
diff --git a/redfish-core/lib/ut/service_root_test.cpp b/redfish-core/lib/ut/service_root_test.cpp
index 9e6c423..61b0d02 100644
--- a/redfish-core/lib/ut/service_root_test.cpp
+++ b/redfish-core/lib/ut/service_root_test.cpp
@@ -7,6 +7,7 @@
 #include <string>
 
 #include "gmock/gmock.h"
+#include "gtest/gtest.h"
 
 static void assertServiceRootGet(crow::Response& res)
 {
@@ -63,7 +64,23 @@
                               "9a-fA-F]{4}-[0-9a-fA-F]{12}"));
 
     EXPECT_EQ(json["UpdateService"]["@odata.id"], "/redfish/v1/UpdateService");
-    EXPECT_EQ(20, json.size());
+
+    EXPECT_EQ(json["ProtocolFeaturesSupported"].size(), 6);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["ExcerptQuery"]);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["ExpandQuery"]["ExpandAll"]);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["ExpandQuery"]["Levels"]);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["ExpandQuery"]["Links"]);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["ExpandQuery"]["NoLinks"]);
+    EXPECT_EQ(json["ProtocolFeaturesSupported"]["ExpandQuery"].size(), 4);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["FilterQuery"]);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["OnlyMemberQuery"]);
+    EXPECT_FALSE(json["ProtocolFeaturesSupported"]["SelectQuery"]);
+    EXPECT_FALSE(
+        json["ProtocolFeaturesSupported"]["DeepOperations"]["DeepPOST"]);
+    EXPECT_FALSE(
+        json["ProtocolFeaturesSupported"]["DeepOperations"]["DeepPATCH"]);
+    EXPECT_EQ(json["ProtocolFeaturesSupported"]["DeepOperations"].size(), 2);
+    EXPECT_EQ(json.size(), 21);
 }
 
 TEST(ServiceRootTest, ServiceRootConstructor)