diff --git a/AdminPanel/client/src/api/index.js b/AdminPanel/client/src/api/index.js
index a9594bcc..1ac555a9 100644
--- a/AdminPanel/client/src/api/index.js
+++ b/AdminPanel/client/src/api/index.js
@@ -21,7 +21,7 @@ const safeFetch = async (url, options = {}) => {
 };
 
 export const fetchStatistics = async () => {
-  const response = await safeFetch(`${BACKEND_URL}${API_BASE_PATH}/stat`);
+  const response = await safeFetch(`${BACKEND_URL}${API_BASE_PATH}/stat`, {credentials: 'include'});
   if (!response.ok) throw new Error('Failed to fetch statistics');
   return response.json();
 };
@@ -34,7 +34,7 @@ export const fetchConfiguration = async () => {
 };
 
 export const fetchConfigurationSchema = async () => {
-  const response = await safeFetch(`${BACKEND_URL}${API_BASE_PATH}/config/schema`);
+  const response = await safeFetch(`${BACKEND_URL}${API_BASE_PATH}/config/schema`, {credentials: 'include'});
   if (!response.ok) throw new Error('Failed to fetch configuration schema');
   return response.json();
 };
diff --git a/AdminPanel/client/src/components/AuthWrapper/AuthWrapper.js b/AdminPanel/client/src/components/AuthWrapper/AuthWrapper.js
index ec254143..1e631169 100644
--- a/AdminPanel/client/src/components/AuthWrapper/AuthWrapper.js
+++ b/AdminPanel/client/src/components/AuthWrapper/AuthWrapper.js
@@ -1,6 +1,7 @@
 import {useEffect, useState} from 'react';
 import {useDispatch, useSelector} from 'react-redux';
 import {fetchUser, selectUser, selectUserLoading, selectIsAuthenticated} from '../../store/slices/userSlice';
+import {setPasswordSchema} from '../../store/slices/configSlice';
 import {checkSetupRequired} from '../../api';
 import Spinner from '../../assets/Spinner.svg';
 import Login from '../../pages/Login/LoginPage';
@@ -22,6 +23,11 @@ export default function AuthWrapper({children}) {
       try {
         const result = await checkSetupRequired();
         setSetupRequired(result.setupRequired);
+
+        // Save minimal password schema to Redux for Setup page validation
+        if (result.passwordValidationSchema) {
+          dispatch(setPasswordSchema(result.passwordValidationSchema));
+        }
       } catch (error) {
         if (error.message === 'SERVER_UNAVAILABLE') {
           setServerUnavailable(true);
@@ -32,7 +38,7 @@ export default function AuthWrapper({children}) {
     };
 
     checkSetup();
-  }, []);
+  }, [dispatch]);
 
   useEffect(() => {
     if (!checkingSetup && !setupRequired && !serverUnavailable) {
diff --git a/AdminPanel/client/src/components/PasswordRequirements/PasswordRequirements.js b/AdminPanel/client/src/components/PasswordRequirements/PasswordRequirements.js
index fd913535..4264c1ae 100644
--- a/AdminPanel/client/src/components/PasswordRequirements/PasswordRequirements.js
+++ b/AdminPanel/client/src/components/PasswordRequirements/PasswordRequirements.js
@@ -2,7 +2,7 @@ import SuccessGreenIcon from '../../assets/SuccessGreen.svg';
 import FailRedIcon from '../../assets/FailRed.svg';
 import styles from './PasswordRequirements.module.scss';
 import {useSelector} from 'react-redux';
-import {selectSchema} from '../../store/slices/configSlice';
+import {selectSchema, selectPasswordSchema} from '../../store/slices/configSlice';
 import {useMemo} from 'react';
 import {usePasswordValidation} from '../../utils/passwordValidation';
 
@@ -13,12 +13,19 @@ import {usePasswordValidation} from '../../utils/passwordValidation';
  * @param {boolean} isVisible - Whether to show the requirements (e.g., on focus)
  */
 function PasswordRequirements({password, isVisible = false}) {
-  const schema = useSelector(selectSchema);
+  const fullSchema = useSelector(selectSchema);
+  const passwordSchema = useSelector(selectPasswordSchema);
   const {invalidRules, isValid} = usePasswordValidation(password);
 
+  // Use fullSchema (admin panel) or passwordSchema (Setup page)
+  const schema = fullSchema || passwordSchema;
   const passwordValidation = schema?.properties?.adminPanel?.properties?.passwordValidation;
 
   const requirements = useMemo(() => {
+    if (!passwordValidation?.properties) {
+      return [];
+    }
+
     const rules = [
       {key: 'minLength', format: 'passlength'},
       {key: 'hasDigit', format: 'passdigit'},
@@ -41,10 +48,15 @@ function PasswordRequirements({password, isVisible = false}) {
 
   const validRequirements = requirements.filter(req => req.isValid).length;
   const totalRequirements = requirements.length;
-  const progress = (validRequirements / totalRequirements) * 100;
+  const progress = totalRequirements > 0 ? (validRequirements / totalRequirements) * 100 : 0;
 
   const shouldShow = isVisible || (!isValid && password);
 
+  // Don't show if schema is not loaded yet
+  if (!schema || !passwordValidation?.properties) {
+    return null;
+  }
+
   if (!shouldShow) {
     return null;
   }
diff --git a/AdminPanel/client/src/hooks/useFieldValidation.js b/AdminPanel/client/src/hooks/useFieldValidation.js
index 9bbbbdc3..b88ac57c 100644
--- a/AdminPanel/client/src/hooks/useFieldValidation.js
+++ b/AdminPanel/client/src/hooks/useFieldValidation.js
@@ -3,22 +3,29 @@ import {useSelector} from 'react-redux';
 import Ajv from 'ajv';
 import addFormats from 'ajv-formats';
 import addErrors from 'ajv-errors';
-import {selectSchema, selectSchemaLoading, selectSchemaError} from '../store/slices/configSlice';
+import {selectSchema, selectPasswordSchema, selectSchemaLoading, selectSchemaError} from '../store/slices/configSlice';
 
 /**
  * Hook for field validation using backend schema
+ * Uses passwordSchema (minimal) for Setup page, or schema (full) for admin panel
  * @returns {Object} { validateField, getFieldError, isLoading, error }
  */
 export const useFieldValidation = () => {
   const [validator, setValidator] = useState(null);
   const [fieldErrors, setFieldErrors] = useState({});
+  const [cachedSchema, setCachedSchema] = useState(null);
 
-  const schema = useSelector(selectSchema);
+  const fullSchema = useSelector(selectSchema);
+  const passwordSchema = useSelector(selectPasswordSchema);
   const isLoading = useSelector(selectSchemaLoading);
   const error = useSelector(selectSchemaError);
 
+  // Prefer fullSchema (admin panel) over passwordSchema (Setup page)
+  const schema = fullSchema || passwordSchema;
+
   useEffect(() => {
-    if (schema && !validator) {
+    // Only recreate validator if schema actually changed
+    if (schema && schema !== cachedSchema) {
       try {
         // Build AJV validator with custom and standard formats
         const ajv = new Ajv({allErrors: true, strict: false});
@@ -27,11 +34,12 @@ export const useFieldValidation = () => {
 
         const validateFn = ajv.compile(schema);
         setValidator(() => validateFn);
+        setCachedSchema(schema);
       } catch (err) {
         console.error('Failed to initialize field validator:', err);
       }
     }
-  }, [schema, validator]);
+  }, [schema, cachedSchema]);
 
   /**
    * Validates a single field value against the schema
diff --git a/AdminPanel/client/src/hooks/useSchemaLoader.js b/AdminPanel/client/src/hooks/useSchemaLoader.js
index 2b7e2940..cab42587 100644
--- a/AdminPanel/client/src/hooks/useSchemaLoader.js
+++ b/AdminPanel/client/src/hooks/useSchemaLoader.js
@@ -1,9 +1,10 @@
 import {useEffect} from 'react';
 import {useDispatch, useSelector} from 'react-redux';
 import {selectSchema, selectSchemaLoading, selectSchemaError, fetchSchema} from '../store/slices/configSlice';
+import {selectIsAuthenticated} from '../store/slices/userSlice';
 
 /**
- * Hook to load schema on app startup
+ * Hook to load schema for authenticated users
  * Fetches schema immediately when the hook is first used
  */
 export const useSchemaLoader = () => {
@@ -11,13 +12,14 @@ export const useSchemaLoader = () => {
   const schema = useSelector(selectSchema);
   const schemaLoading = useSelector(selectSchemaLoading);
   const schemaError = useSelector(selectSchemaError);
+  const isAuthenticated = useSelector(selectIsAuthenticated);
 
   useEffect(() => {
-    // Fetch schema if not loaded (always fetch, no auth required)
-    if (!schema && !schemaLoading && !schemaError) {
+    // Load schema only for authenticated users
+    if (isAuthenticated && !schema && !schemaLoading && !schemaError) {
       dispatch(fetchSchema());
     }
-  }, [schema, schemaLoading, schemaError, dispatch]);
+  }, [isAuthenticated, schema, schemaLoading, schemaError, dispatch]);
 
   return {
     schema,
diff --git a/AdminPanel/client/src/store/slices/configSlice.js b/AdminPanel/client/src/store/slices/configSlice.js
index ed193fc2..a2ac6b3f 100644
--- a/AdminPanel/client/src/store/slices/configSlice.js
+++ b/AdminPanel/client/src/store/slices/configSlice.js
@@ -39,7 +39,8 @@ export const rotateWopiKeysAction = createAsyncThunk('config/rotateWopiKeys', as
 
 const initialState = {
   config: null,
-  schema: null,
+  schema: null, // Full schema for admin panel
+  passwordSchema: null, // Minimal schema for Setup page password validation
   loading: false,
   schemaLoading: false,
   saving: false,
@@ -64,6 +65,9 @@ const configSlice = createSlice({
     },
     clearError: state => {
       state.error = null;
+    },
+    setPasswordSchema: (state, action) => {
+      state.passwordSchema = action.payload;
     }
   },
   extraReducers: builder => {
@@ -127,11 +131,12 @@ const configSlice = createSlice({
   }
 });
 
-export const {updateLocalConfig, clearConfig, clearError} = configSlice.actions;
+export const {updateLocalConfig, clearConfig, clearError, setPasswordSchema} = configSlice.actions;
 
 // Selectors
 export const selectConfig = state => state.config.config;
 export const selectSchema = state => state.config.schema;
+export const selectPasswordSchema = state => state.config.passwordSchema;
 export const selectConfigLoading = state => state.config.loading;
 export const selectSchemaLoading = state => state.config.schemaLoading;
 export const selectConfigSaving = state => state.config.saving;
diff --git a/AdminPanel/server/sources/routes/adminpanel/router.js b/AdminPanel/server/sources/routes/adminpanel/router.js
index e4aad050..6a888a73 100644
--- a/AdminPanel/server/sources/routes/adminpanel/router.js
+++ b/AdminPanel/server/sources/routes/adminpanel/router.js
@@ -9,6 +9,7 @@ const adminPanelJwtSecret = require('../../jwtSecret');
 const tenantManager = require('../../../../../Common/sources/tenantManager');
 const commonDefines = require('../../../../../Common/sources/commondefines');
 const {validateScoped} = require('../config/config.service');
+const supersetSchema = require('../../../../../Common/config/schemas/config.schema.json');
 
 const router = express.Router();
 
@@ -83,7 +84,8 @@ function requireAuth(req, res, next) {
 }
 
 /**
- * Check if AdminPanel setup is required
+ * Check if initial setup is required and get password validation schema
+ * Returns setup status and minimal schema for password validation
  */
 router.get('/setup/required', async (req, res) => {
   const ctx = new operationContext.Context();
@@ -100,7 +102,22 @@ router.get('/setup/required', async (req, res) => {
       }
     }
 
-    res.json({setupRequired});
+    // Include minimal password validation schema for setup page
+    const passwordValidationSchema = {
+      $defs: supersetSchema.$defs,
+      properties: {
+        adminPanel: {
+          properties: {
+            passwordValidation: supersetSchema.properties.adminPanel.properties.passwordValidation
+          }
+        }
+      }
+    };
+
+    res.json({
+      setupRequired,
+      passwordValidationSchema
+    });
   } catch (error) {
     ctx.logger.error('Setup check error: %s', error.stack);
     res.status(500).json({error: 'Internal server error'});
diff --git a/AdminPanel/server/sources/routes/config/router.js b/AdminPanel/server/sources/routes/config/router.js
index 3e83d80e..37c834f5 100644
--- a/AdminPanel/server/sources/routes/config/router.js
+++ b/AdminPanel/server/sources/routes/config/router.js
@@ -36,7 +36,7 @@ router.get('/', validateJWT, async (req, res) => {
   }
 });
 
-router.get('/schema', async (_req, res) => {
+router.get('/schema', validateJWT, async (_req, res) => {
   res.json(supersetSchema);
 });