diff --git a/src/api/teamsbotApi.ts b/src/api/teamsbotApi.ts
index 58b3732..29a3ca8 100644
--- a/src/api/teamsbotApi.ts
+++ b/src/api/teamsbotApi.ts
@@ -325,17 +325,50 @@ export async function fetchVoices(languageCode: string): Promise<VoiceOption[]>
 }
 
 /**
- * Run auth detection tests against a Teams meeting URL.
- * Tests 5 browser configuration variants to determine which ones
- * receive the /v2/ (authenticated) vs light-meetings (anonymous) page.
- * Does NOT join the meeting.
+ * Get list of available test variants from the Browser Bot.
+ */
+export interface TestVariantInfo {
+  id: string;
+  name: string;
+  description: string;
+}
+
+export async function getTestAuthVariants(instanceId: string): Promise<TestVariantInfo[]> {
+  const response = await api.get(`/api/teamsbot/${instanceId}/test-auth/variants`, {
+    timeout: 30000,
+  });
+  return response.data;
+}
+
+/**
+ * Run a single test variant. Call this once per variant sequentially.
+ * Each call stays within Azure's 240s timeout.
+ */
+export async function testAuthSingleVariant(
+  instanceId: string,
+  variantId: string,
+  meetingUrl: string,
+  botEmail?: string,
+  botPassword?: string,
+): Promise<AuthTestResult> {
+  const payload: Record<string, string> = { variantId, meetingUrl };
+  if (botEmail) payload.botEmail = botEmail;
+  if (botPassword) payload.botPassword = botPassword;
+  const response = await api.post(`/api/teamsbot/${instanceId}/test-auth/variant`, payload, {
+    timeout: 200000, // 3+ minutes per variant
+  });
+  return response.data;
+}
+
+/**
+ * Run ALL auth detection tests in one request (legacy — may timeout).
  */
 export async function testAuth(instanceId: string, meetingUrl: string, botEmail?: string, botPassword?: string): Promise<AuthTestResults> {
   const payload: Record<string, string> = { meetingUrl };
   if (botEmail) payload.botEmail = botEmail;
   if (botPassword) payload.botPassword = botPassword;
   const response = await api.post(`/api/teamsbot/${instanceId}/test-auth`, payload, {
-    timeout: 900000, // 15 minutes — 5 browser variants run sequentially
+    timeout: 900000,
   });
   return response.data;
 }
diff --git a/src/pages/views/teamsbot/TeamsbotSettingsView.tsx b/src/pages/views/teamsbot/TeamsbotSettingsView.tsx
index 191a048..a09c698 100644
--- a/src/pages/views/teamsbot/TeamsbotSettingsView.tsx
+++ b/src/pages/views/teamsbot/TeamsbotSettingsView.tsx
@@ -42,6 +42,7 @@ export const TeamsbotSettingsView: React.FC = () => {
   const [testBotEmail, setTestBotEmail] = useState('');
   const [testBotPassword, setTestBotPassword] = useState('');
   const [testRunning, setTestRunning] = useState(false);
+  const [testRunningVariant, setTestRunningVariant] = useState<string | null>(null);
   const [testResults, setTestResults] = useState<AuthTestResults | null>(null);
   const [testError, setTestError] = useState<string | null>(null);
   const [screenshotPreview, setScreenshotPreview] = useState<{ src: string; caption: string } | null>(null);
@@ -157,19 +158,103 @@ export const TeamsbotSettingsView: React.FC = () => {
     setTestRunning(true);
     setTestResults(null);
     setTestError(null);
+    setTestRunningVariant(null);
 
     try {
-      const results = await teamsbotApi.testAuth(
-        instanceId,
-        testMeetingUrl.trim(),
-        testBotEmail.trim() || undefined,
-        testBotPassword || undefined,
-      );
-      setTestResults(results);
+      // Step 1: Get available variants
+      const variants = await teamsbotApi.getTestAuthVariants(instanceId);
+
+      // Initialize results shell so UI shows progress
+      const initialResults: AuthTestResults = {
+        meetingUrl: testMeetingUrl.trim(),
+        timestamp: new Date().toISOString(),
+        variants: variants.map(v => ({
+          variantId: v.id,
+          variantName: v.name,
+          success: false,
+          pageType: 'unknown' as const,
+          finalUrl: '',
+          hasSignInLink: false,
+          hasNameInput: false,
+          hasJoinButton: false,
+          authAttempted: false,
+          authSuccess: null,
+          durationMs: 0,
+          detectedSignals: [],
+          logs: ['Warte...'],
+        })),
+        recommendation: 'Test laeuft...',
+      };
+      setTestResults(initialResults);
+
+      // Step 2: Run each variant sequentially
+      const completedVariants: AuthTestResult[] = [];
+      for (const variantInfo of variants) {
+        setTestRunningVariant(variantInfo.name);
+        try {
+          const result = await teamsbotApi.testAuthSingleVariant(
+            instanceId,
+            variantInfo.id,
+            testMeetingUrl.trim(),
+            testBotEmail.trim() || undefined,
+            testBotPassword || undefined,
+          );
+          completedVariants.push(result);
+        } catch (err: any) {
+          completedVariants.push({
+            variantId: variantInfo.id,
+            variantName: variantInfo.name,
+            success: false,
+            pageType: 'error',
+            finalUrl: '',
+            hasSignInLink: false,
+            hasNameInput: false,
+            hasJoinButton: false,
+            authAttempted: false,
+            authSuccess: null,
+            durationMs: 0,
+            error: err.message || 'Fehler',
+            detectedSignals: [],
+            logs: [`[ERROR] ${err.message || 'Unbekannter Fehler'}`],
+          });
+        }
+
+        // Update UI with results so far
+        setTestResults(prev => prev ? {
+          ...prev,
+          variants: [
+            ...completedVariants,
+            ...variants.slice(completedVariants.length).map(v => ({
+              variantId: v.id,
+              variantName: v.name,
+              success: false,
+              pageType: 'unknown' as const,
+              finalUrl: '',
+              hasSignInLink: false,
+              hasNameInput: false,
+              hasJoinButton: false,
+              authAttempted: false,
+              authSuccess: null,
+              durationMs: 0,
+              detectedSignals: [],
+              logs: ['Warte...'],
+            })),
+          ],
+        } : prev);
+      }
+
+      // Final update with recommendation
+      setTestResults({
+        meetingUrl: testMeetingUrl.trim(),
+        timestamp: new Date().toISOString(),
+        variants: completedVariants,
+        recommendation: `Test abgeschlossen. ${completedVariants.filter(v => v.pageType === 'v2').length} von ${completedVariants.length} Varianten auf /v2/.`,
+      });
     } catch (err: any) {
       setTestError(err.message || 'Auth-Test fehlgeschlagen');
     } finally {
       setTestRunning(false);
+      setTestRunningVariant(null);
     }
   };
 
@@ -286,7 +371,9 @@ export const TeamsbotSettingsView: React.FC = () => {
           {testRunning && (
             <div className={styles.testProgress}>
               <FaSpinner className={styles.spinner} />
-              5 Browser-Varianten werden getestet (~8-10 Minuten)...
+              {testRunningVariant
+                ? `Teste: ${testRunningVariant}...`
+                : 'Varianten werden geladen...'}
             </div>
           )}