diff --git a/internal/tools/sigmigrate/cmd/flags.go b/internal/tools/sigmigrate/cmd/flags.go
index 920e275e..2830ca86 100644
--- a/internal/tools/sigmigrate/cmd/flags.go
+++ b/internal/tools/sigmigrate/cmd/flags.go
@@ -61,6 +61,6 @@ func addFlags(flags *pflag.FlagSet) {
 	flags.String(
 		"object",
 		"",
-		"Scan only a specific object in format <namespace>/<name>/<kind>. Use 'clusterwide' namespace for cluster-scoped resources.",
+		"Scan only a specific object in format <namespace>/<name>/<resource_name>. Use 'clusterwide' namespace for cluster-scoped resources. To get the resource name, use the 'kubectl api-resources' command.",
 	)
 }
diff --git a/internal/tools/sigmigrate/sigmigrate.go b/internal/tools/sigmigrate/sigmigrate.go
index 12159261..4878abef 100644
--- a/internal/tools/sigmigrate/sigmigrate.go
+++ b/internal/tools/sigmigrate/sigmigrate.go
@@ -771,7 +771,7 @@ func loadFailedObjects() (map[string]ObjectRef, error) {
 		}
 
 		parts := strings.Split(line, "|")
-		if len(parts) != 3 {
+		if len(parts) < 3 {
 			continue
 		}
 
@@ -783,20 +783,18 @@ func loadFailedObjects() (map[string]ObjectRef, error) {
 			continue
 		}
 
-		key := fmt.Sprintf("%s|%s|%s", namespace, name, kind)
-		// For retry, we need to reconstruct GVR - use a simple approach
-		// In production, you might want to store GVR in the file
-		resource := strings.ToLower(kind)
-		if !strings.HasSuffix(resource, "s") {
-			resource += "s"
+		gvr := schema.GroupVersionResource{Resource: strings.ToLower(kind)}
+		if len(parts) >= 5 {
+			gvr.Group = strings.TrimSpace(parts[3])
+			gvr.Version = strings.TrimSpace(parts[4])
 		}
+
+		key := fmt.Sprintf("%s|%s|%s", namespace, name, kind)
 		objects[key] = ObjectRef{
 			Namespace: namespace,
 			Name:      name,
 			Kind:      kind,
-			GVR: schema.GroupVersionResource{
-				Resource: resource,
-			},
+			GVR:       gvr,
 		}
 	}
 
@@ -817,7 +815,7 @@ func recordFailure(obj ObjectRef, errorMsg string) {
 		tracef("failed to append failed attempts file %s: %v", failedAttemptsFile, err)
 		return
 	}
-	_, _ = fmt.Fprintf(f, "%s|%s|%s\n", obj.Namespace, obj.Name, obj.Kind)
+	_, _ = fmt.Fprintf(f, "%s|%s|%s|%s|%s\n", obj.Namespace, obj.Name, obj.Kind, obj.GVR.Group, obj.GVR.Version)
 	_ = f.Sync()
 	_ = f.Close()
 
diff --git a/internal/tools/sigmigrate/sigmigrate_test.go b/internal/tools/sigmigrate/sigmigrate_test.go
index 36052cab..22ef75cc 100644
--- a/internal/tools/sigmigrate/sigmigrate_test.go
+++ b/internal/tools/sigmigrate/sigmigrate_test.go
@@ -266,23 +266,90 @@ func TestLoadFailedObjects(t *testing.T) {
 	setCurrentRunState(runState)
 	defer setCurrentRunState(nil)
 
-	testData := "default|test-pod|pods\nkube-system|test-cm|configmaps\n|cluster-resource|clusterroles\n"
+	testData := "default|test-pod|pods\nkube-system|test-cm|configmaps\nclusterwide|worker|nodegroups\n|cluster-resource|clusterroles\n"
 	err := os.WriteFile(legacyRetryFile, []byte(testData), 0644)
 	require.NoError(t, err)
 
 	objects, err := loadFailedObjects()
 	require.NoError(t, err)
-	require.Len(t, objects, 2)
+	require.Len(t, objects, 3)
 
 	first := objects["default|test-pod|pods"]
 	require.Equal(t, "default", first.Namespace)
 	require.Equal(t, "test-pod", first.Name)
 	require.Equal(t, "pods", first.Kind)
+	require.Equal(t, "pods", first.GVR.Resource)
 
 	second := objects["kube-system|test-cm|configmaps"]
 	require.Equal(t, "kube-system", second.Namespace)
 	require.Equal(t, "test-cm", second.Name)
 	require.Equal(t, "configmaps", second.Kind)
+	require.Equal(t, "configmaps", second.GVR.Resource)
+
+	nodeGroup := objects["clusterwide|worker|nodegroups"]
+	require.Equal(t, "clusterwide", nodeGroup.Namespace)
+	require.Equal(t, "worker", nodeGroup.Name)
+	require.Equal(t, "nodegroups", nodeGroup.Kind)
+	require.Equal(t, "nodegroups", nodeGroup.GVR.Resource)
+}
+
+func TestLoadFailedObjects_ExtendedRetryFormatIncludesGVR(t *testing.T) {
+	tmpDir := t.TempDir()
+	legacyRetryFile := filepath.Join(tmpDir, "failed_annotations_legacy.txt")
+	setCurrentRunState(&sigMigrateRunState{LegacyFailedRetryFile: legacyRetryFile})
+	defer setCurrentRunState(nil)
+
+	// Extended format (future-proof for retry): namespace|name|kind|group|version
+	testData := "clusterwide|worker|nodegroups|deckhouse.io|v1\n"
+	err := os.WriteFile(legacyRetryFile, []byte(testData), 0644)
+	require.NoError(t, err)
+
+	objects, err := loadFailedObjects()
+	require.NoError(t, err)
+	require.Len(t, objects, 1)
+
+	obj := objects["clusterwide|worker|nodegroups"]
+	require.Equal(t, "clusterwide", obj.Namespace)
+	require.Equal(t, "worker", obj.Name)
+	require.Equal(t, "nodegroups", obj.Kind)
+	require.Equal(t, "nodegroups", obj.GVR.Resource)
+	require.Equal(t, "deckhouse.io", obj.GVR.Group)
+	require.Equal(t, "v1", obj.GVR.Version)
+}
+
+func TestLoadFailedObjects_ExtendedRetryFormat_NamespacedObjects(t *testing.T) {
+	tmpDir := t.TempDir()
+	legacyRetryFile := filepath.Join(tmpDir, "failed_annotations_legacy.txt")
+	setCurrentRunState(&sigMigrateRunState{LegacyFailedRetryFile: legacyRetryFile})
+	defer setCurrentRunState(nil)
+
+	testData := strings.Join([]string{
+		"default|web-app|deployments|apps|v1",
+		"kube-system|coredns|configmaps||v1",
+	}, "\n") + "\n"
+
+	err := os.WriteFile(legacyRetryFile, []byte(testData), 0644)
+	require.NoError(t, err)
+
+	objects, err := loadFailedObjects()
+	require.NoError(t, err)
+	require.Len(t, objects, 2)
+
+	deployment := objects["default|web-app|deployments"]
+	require.Equal(t, "default", deployment.Namespace)
+	require.Equal(t, "web-app", deployment.Name)
+	require.Equal(t, "deployments", deployment.Kind)
+	require.Equal(t, "deployments", deployment.GVR.Resource)
+	require.Equal(t, "apps", deployment.GVR.Group)
+	require.Equal(t, "v1", deployment.GVR.Version)
+
+	configMap := objects["kube-system|coredns|configmaps"]
+	require.Equal(t, "kube-system", configMap.Namespace)
+	require.Equal(t, "coredns", configMap.Name)
+	require.Equal(t, "configmaps", configMap.Kind)
+	require.Equal(t, "configmaps", configMap.GVR.Resource)
+	require.Equal(t, "", configMap.GVR.Group)
+	require.Equal(t, "v1", configMap.GVR.Version)
 }
 
 func TestRecordFailure(t *testing.T) {