diff --git a/server.js b/server.js
index 018b7ae..3e04b54 100644
--- a/server.js
+++ b/server.js
@@ -774,6 +774,16 @@ async function restoreSessionsFromDisk() {
       console.log(`[RESTORE] Session fuer Profil ${profile.id} (${profile.name}) reaktiviert.`);
     } catch (error) {
       console.error(`[RESTORE] Login fuer Profil ${profileId} fehlgeschlagen:`, error.message);
+      try {
+        await notificationService.sendAdminSessionErrorNotification({
+          profileId,
+          profileEmail: credentials?.email,
+          error: error?.message,
+          label: 'restore'
+        });
+      } catch (notifyError) {
+        console.error('[NOTIFY] Admin-Session-Fehler beim Restore konnte nicht gemeldet werden:', notifyError.message);
+      }
     }
   }
 }
diff --git a/services/notificationService.js b/services/notificationService.js
index 314882a..582bbe0 100644
--- a/services/notificationService.js
+++ b/services/notificationService.js
@@ -324,6 +324,30 @@ async function sendAdminBookingErrorNotification({ profileId, profileEmail, stor
   });
 }
 
+async function sendAdminSessionErrorNotification({
+  profileId,
+  profileEmail,
+  profileName,
+  sessionId,
+  error,
+  label
+}) {
+  const profileLabel = profileEmail || profileId || 'Unbekanntes Profil';
+  const messageLines = [
+    'Session-Login fehlgeschlagen.',
+    `Profil: ${profileLabel}.`,
+    profileName ? `Name: ${profileName}.` : null,
+    sessionId ? `Session: ${sessionId}.` : null,
+    label ? `Kontext: ${label}.` : null,
+    `Fehler: ${error || 'Unbekannter Fehler'}.`
+  ].filter(Boolean);
+  await sendAdminTelegramNotification({
+    title: 'Fehler beim Session-Login',
+    message: messageLines.join('\n'),
+    priority: 'high'
+  });
+}
+
 module.exports = {
   sendSlotNotification,
   sendStoreWatchNotification,
@@ -332,5 +356,6 @@ module.exports = {
   sendDesiredWindowMissedNotification,
   sendDormantPickupWarning,
   sendJournalReminderNotification,
-  sendAdminBookingErrorNotification
+  sendAdminBookingErrorNotification,
+  sendAdminSessionErrorNotification
 };
diff --git a/services/sessionRefresh.js b/services/sessionRefresh.js
index 3eaa414..4bc4f2c 100644
--- a/services/sessionRefresh.js
+++ b/services/sessionRefresh.js
@@ -1,5 +1,22 @@
 const foodsharingClient = require('./foodsharingClient');
 const sessionStore = require('./sessionStore');
+const notificationService = require('./notificationService');
+
+const ADMIN_SESSION_ERROR_COOLDOWN_MS = 6 * 60 * 60 * 1000;
+const adminSessionErrorCooldowns = new Map();
+
+function shouldNotifyAdminSessionError(key) {
+  if (!key) {
+    return false;
+  }
+  const now = Date.now();
+  const lastNotified = adminSessionErrorCooldowns.get(key) || 0;
+  if (now - lastNotified < ADMIN_SESSION_ERROR_COOLDOWN_MS) {
+    return false;
+  }
+  adminSessionErrorCooldowns.set(key, now);
+  return true;
+}
 
 function isUnauthorizedError(error) {
   const status = error?.response?.status;
@@ -50,6 +67,22 @@ async function refreshSession(session, { label } = {}) {
       `[SESSION] Session ${session?.id || 'unbekannt'} konnte nicht erneuert werden${label ? ` (${label})` : ''}:`,
       error.message
     );
+    const profileId = session?.profile?.id ? String(session.profile.id) : null;
+    const notifyKey = profileId || session?.id || null;
+    if (shouldNotifyAdminSessionError(notifyKey)) {
+      try {
+        await notificationService.sendAdminSessionErrorNotification({
+          profileId,
+          profileEmail: session?.credentials?.email || session?.profile?.email,
+          profileName: session?.profile?.name,
+          sessionId: session?.id,
+          error: error?.message,
+          label
+        });
+      } catch (notifyError) {
+        console.error('[NOTIFY] Admin-Session-Fehler konnte nicht gemeldet werden:', notifyError.message);
+      }
+    }
     return false;
   }
 }