diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48cd121042..09d56d8920 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@
 - Enhance: 時刻計算のための基準値を一か所で管理するようにし、パフォーマンスを向上
 - Fix: iOSで、デバイスがダークモードだと初回読み込み時にエラーになる問題を修正
 - Fix: アクティビティウィジェットのグラフモードが動作しない問題を修正
+- Fix: サーバー情報が非公開のサーバーで「サーバーメトリクス」ウィジェットが利用できる問題を修正
 
 ### Server
 - Enhance: ユーザーIPを確実に取得できるために設定ファイルにFastifyOptions.trustProxyを追加しました
diff --git a/locales/index.d.ts b/locales/index.d.ts
index fbe8c30c94..9023bb8abb 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -9598,6 +9598,12 @@ export interface Locale extends ILocale {
          * サーバーメトリクス
          */
         "serverMetric": string;
+        "_serverMetric": {
+            /**
+             * このサーバーではメトリクスが利用できません
+             */
+            "notAvailable": string;
+        };
         /**
          * AiScriptコンソール
          */
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index d21df5d5e1..7b31b8532d 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -2523,6 +2523,8 @@ _widgets:
   onlineUsers: "オンラインユーザー"
   jobQueue: "ジョブキュー"
   serverMetric: "サーバーメトリクス"
+  _serverMetric:
+    notAvailable: "このサーバーではメトリクスが利用できません"
   aiscript: "AiScriptコンソール"
   aiscriptApp: "AiScript App"
   aichan: "藍"
diff --git a/packages/backend/src/core/entities/MetaEntityService.ts b/packages/backend/src/core/entities/MetaEntityService.ts
index 2da614a120..e7af9b9f4e 100644
--- a/packages/backend/src/core/entities/MetaEntityService.ts
+++ b/packages/backend/src/core/entities/MetaEntityService.ts
@@ -135,6 +135,7 @@ export class MetaEntityService {
 			noteSearchableScope: (this.config.meilisearch == null || this.config.meilisearch.scope !== 'local') ? 'global' : 'local',
 			maxFileSize: this.config.maxFileSize,
 			federation: this.meta.federation,
+			enableServerMachineStats: instance.enableServerMachineStats,
 		};
 
 		return packed;
diff --git a/packages/backend/src/models/json-schema/meta.ts b/packages/backend/src/models/json-schema/meta.ts
index a0e7d490b3..115cc6f51a 100644
--- a/packages/backend/src/models/json-schema/meta.ts
+++ b/packages/backend/src/models/json-schema/meta.ts
@@ -310,6 +310,10 @@ export const packedMetaLiteSchema = {
 			enum: ['all', 'specified', 'none'],
 			optional: false, nullable: false,
 		},
+		enableServerMachineStats: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 	},
 } as const;
 
diff --git a/packages/frontend/src/components/MkWidgets.vue b/packages/frontend/src/components/MkWidgets.vue
index cf7c2cda80..3f007ed647 100644
--- a/packages/frontend/src/components/MkWidgets.vue
+++ b/packages/frontend/src/components/MkWidgets.vue
@@ -68,11 +68,17 @@ const props = defineProps<{
 }>();
 
 const _widgetDefs = computed(() => {
+	let wd = widgetDefs;
+
 	if (instance.federation === 'none') {
-		return widgetDefs.filter(x => !federationWidgets.includes(x));
-	} else {
-		return widgetDefs;
+		wd = wd.filter(x => !federationWidgets.includes(x));
 	}
+
+	if (!instance.enableServerMachineStats) {
+		wd = wd.filter(x => x !== 'serverMetric');
+	}
+
+	return wd;
 });
 
 const _widgets = computed(() => props.widgets.filter(x => _widgetDefs.value.includes(x.name)));
diff --git a/packages/frontend/src/widgets/server-metric/index.vue b/packages/frontend/src/widgets/server-metric/index.vue
index f52b6fd12e..99836d18ce 100644
--- a/packages/frontend/src/widgets/server-metric/index.vue
+++ b/packages/frontend/src/widgets/server-metric/index.vue
@@ -10,7 +10,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<template #func="{ buttonStyleClass }"><button class="_button" :class="buttonStyleClass" @click="toggleView()"><i class="ti ti-selector"></i></button></template>
 
 	<div v-if="meta" data-cy-mkw-serverMetric class="mkw-serverMetric">
-		<XCpuMemory v-if="widgetProps.view === 0" :connection="connection" :meta="meta"/>
+		<div v-if="!instance.enableServerMachineStats" :class="$style.notAvailable">{{ i18n.ts._widgets._serverMetric.notAvailable }}</div>
+		<XCpuMemory v-else-if="widgetProps.view === 0" :connection="connection" :meta="meta"/>
 		<XNet v-else-if="widgetProps.view === 1" :connection="connection" :meta="meta"/>
 		<XCpu v-else-if="widgetProps.view === 2" :connection="connection" :meta="meta"/>
 		<XMemory v-else-if="widgetProps.view === 3" :connection="connection" :meta="meta"/>
@@ -34,6 +35,7 @@ import type { FormWithDefault, GetFormResultType } from '@/utility/form.js';
 import { misskeyApiGet } from '@/utility/misskey-api.js';
 import { useStream } from '@/stream.js';
 import { i18n } from '@/i18n.js';
+import { instance } from '@/instance.js';
 
 const name = 'serverMetric';
 
@@ -90,3 +92,12 @@ defineExpose<WidgetComponentExpose>({
 	id: props.widget ? props.widget.id : null,
 });
 </script>
+
+<style module>
+.notAvailable {
+	text-align: center;
+	padding: 32px 16px;
+	color: var(--text-muted);
+	font-size: 0.9em;
+}
+</style>
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index 2a059bdea6..3aa9d8dc12 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -5449,6 +5449,7 @@ export type components = {
             maxFileSize: number;
             /** @enum {string} */
             federation: 'all' | 'specified' | 'none';
+            enableServerMachineStats: boolean;
         };
         MetaDetailedOnly: {
             features?: {