diff --git a/README.md b/README.md
index 97b467e..7be65d3 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 A self-hosted, full-stack network management platform for MikroTik devices. Monitor, configure, and manage your entire MikroTik infrastructure — routers, switches, and wireless access points — from a single web interface.
 
-![Version](https://img.shields.io/badge/version-0.17.3_Beta-blue)
+![Version](https://img.shields.io/badge/version-0.17.4_Beta-blue)
 ![License](https://img.shields.io/badge/license-AGPLv3-blue)
 ![Docker](https://img.shields.io/badge/docker-compose-2496ED?logo=docker&logoColor=white)
 ![TypeScript](https://img.shields.io/badge/TypeScript-5.3-3178C6?logo=typescript&logoColor=white)
diff --git a/backend/package.json b/backend/package.json
index 3394b0c..da499b2 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mikrotik-manager-backend",
-  "version": "0.17.3-beta",
+  "version": "0.17.4-beta",
   "description": "Mikrotik Network Management Platform - Backend API",
   "main": "dist/index.js",
   "scripts": {
diff --git a/backend/src/services/PollerService.ts b/backend/src/services/PollerService.ts
index 8ea54b0..ed74da6 100644
--- a/backend/src/services/PollerService.ts
+++ b/backend/src/services/PollerService.ts
@@ -691,6 +691,12 @@ export class PollerService {
     const device = await this.getDevice(data.deviceId);
     if (!device) return;
 
+    // Config snapshots capture `/export` over SSH. Only attempt this automatically
+    // when SSH credentials are actually configured — otherwise we'd repeatedly try
+    // (and fail) SSH auth using the API credentials, flooding the device logs on
+    // devices where SSH was never set up. Manual "Capture snapshot" is unaffected.
+    if (!device.ssh_username || !device.ssh_password_encrypted) return;
+
     const collector = new DeviceCollector(device);
     try {
       await collector.connect();
diff --git a/frontend/package.json b/frontend/package.json
index 0af62b7..0986947 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mikrotik-manager-frontend",
-  "version": "0.17.3-beta",
+  "version": "0.17.4-beta",
   "private": true,
   "type": "module",
   "scripts": {
diff --git a/frontend/src/pages/SettingsPage.tsx b/frontend/src/pages/SettingsPage.tsx
index 1cf23bd..5434b5c 100644
--- a/frontend/src/pages/SettingsPage.tsx
+++ b/frontend/src/pages/SettingsPage.tsx
@@ -667,6 +667,64 @@ export default function SettingsPage() {
             </div>
           </div>
 
+          {/* Configuration Snapshots */}
+          <div className="card p-5">
+            <h3 className="font-semibold text-gray-900 dark:text-white mb-1">Configuration Snapshots</h3>
+            <p className="text-xs text-gray-400 dark:text-slate-500 mb-4">
+              Periodically captures each device&apos;s <code className="font-mono">/export</code> for the Config History / drift detection feature.
+              This runs <strong>over SSH</strong>, so it only executes on devices that have <strong>SSH credentials configured</strong> — devices without them are skipped (no connection is attempted).
+            </p>
+            <div className="space-y-3">
+              <div className="flex items-center justify-between">
+                <div className="text-sm font-medium text-gray-700 dark:text-slate-300">Enable config snapshots</div>
+                <button
+                  onClick={() => isAdmin && updateSettingsMutation.mutate({ config_snapshot_enabled: settings['config_snapshot_enabled'] === false })}
+                  disabled={!isAdmin}
+                  className={clsx(
+                    'relative inline-flex h-6 w-11 flex-shrink-0 rounded-full border-2 border-transparent transition-colors duration-200',
+                    isAdmin ? 'cursor-pointer' : 'cursor-not-allowed opacity-50',
+                    settings['config_snapshot_enabled'] !== false ? 'bg-blue-600' : 'bg-gray-300 dark:bg-slate-600'
+                  )}
+                >
+                  <span className={clsx(
+                    'inline-block h-5 w-5 transform rounded-full bg-white shadow transition duration-200',
+                    settings['config_snapshot_enabled'] !== false ? 'translate-x-5' : 'translate-x-0'
+                  )} />
+                </button>
+              </div>
+              <div className="flex items-center justify-between gap-4">
+                <div>
+                  <div className="text-sm font-medium text-gray-700 dark:text-slate-300">Snapshot interval</div>
+                  <div className="text-xs text-gray-400">minutes</div>
+                </div>
+                <input
+                  type="number"
+                  className="input w-24 text-center disabled:opacity-50 disabled:cursor-not-allowed"
+                  value={settings['config_snapshot_interval_min'] as number ?? 60}
+                  onChange={(e) => updateSettingsMutation.mutate({ config_snapshot_interval_min: parseInt(e.target.value) })}
+                  min="15"
+                  step="15"
+                  disabled={!isAdmin || settings['config_snapshot_enabled'] === false}
+                />
+              </div>
+              <div className="flex items-center justify-between gap-4">
+                <div>
+                  <div className="text-sm font-medium text-gray-700 dark:text-slate-300">Retention</div>
+                  <div className="text-xs text-gray-400">snapshots kept per device</div>
+                </div>
+                <input
+                  type="number"
+                  className="input w-24 text-center disabled:opacity-50 disabled:cursor-not-allowed"
+                  value={settings['config_snapshot_retention'] as number ?? 30}
+                  onChange={(e) => updateSettingsMutation.mutate({ config_snapshot_retention: parseInt(e.target.value) })}
+                  min="1"
+                  step="1"
+                  disabled={!isAdmin || settings['config_snapshot_enabled'] === false}
+                />
+              </div>
+            </div>
+          </div>
+
           {/* Reverse DNS */}
           <div className="card p-5">
             <h3 className="font-semibold text-gray-900 dark:text-white mb-1">Reverse DNS Lookup</h3>
diff --git a/frontend/src/version.ts b/frontend/src/version.ts
index 0f2cac6..2bfadc5 100644
--- a/frontend/src/version.ts
+++ b/frontend/src/version.ts
@@ -1 +1 @@
-export const APP_VERSION = 'v0.17.3 Beta';
+export const APP_VERSION = 'v0.17.4 Beta';