diff --git a/app/mobile/src/access/create/Create.jsx b/app/mobile/src/access/create/Create.jsx
index 1b9de62e..92efebcf 100644
--- a/app/mobile/src/access/create/Create.jsx
+++ b/app/mobile/src/access/create/Create.jsx
@@ -19,6 +19,10 @@ export function Create() {
     }
   }
 
+  const validServer = (state.server && state.serverChecked && state.serverValid);
+  const validToken = (!state.tokenRequired || (state.token && state.tokenChecked && state.tokenValid));
+  const validUsername = (state.username && state.usernameChecked && state.usernameValid);
+
   return (
     <View style={styles.wrapper}>
       <View style={styles.container}>
@@ -37,23 +41,51 @@ export function Create() {
             <TextInput style={styles.inputfield} value={state.server} onChangeText={actions.setServer}
                 autoCapitalize="none" placeholder="server" />
             <View style={styles.space}>
-              <Text style={styles.required}>✻</Text>
+              { (!state.server || !state.serverChecked) && (
+                <Text style={styles.required}>✻</Text>
+              )}
+              { state.server && state.serverChecked && !state.serverValid && (
+                <Ionicons style={styles.icon} name="exclamationcircleo" size={18} color="#ff8888" />
+              )}
+              { state.server && state.serverChecked && state.serverValid && (
+                <Ionicons style={styles.icon} name="checkcircleo" size={18} color="#448866" />
+              )}
             </View>
           </View>
-          { state.tokenRequired && (
-            <View style={styles.inputwrapper}>
-              <Ionicons style={styles.icon} name="key" size={18} color="#888888" />
-              <TextInput style={styles.inputfield} value={state.token} onChangeText={actions.setToken}
-                  autoCapitalize="none" placeholder="token" />
-              <View style={styles.space} />
-            </View>
-          )}
-          <View style={styles.inputwrapperpad}>
+          <View style={styles.token}>
+            { state.tokenRequired && (
+              <View style={styles.inputwrapper}>
+                <Ionicons style={styles.icon} name="key" size={18} color="#888888" />
+                <TextInput style={styles.inputfield} value={state.token} onChangeText={actions.setToken}
+                    autoCapitalize="none" placeholder="token" />
+                <View style={styles.space}>
+                  { (!validServer || !state.token || !state.tokenChecked) && (
+                    <Text style={styles.required}>✻</Text>
+                  )}
+                  { validServer && state.token && state.tokenChecked && !state.tokenValid && (
+                    <Ionicons style={styles.icon} name="exclamationcircleo" size={18} color="#ff8888" />
+                  )}
+                  { validServer && state.token && state.tokenChecked && state.tokenValid && (
+                    <Ionicons style={styles.icon} name="checkcircleo" size={18} color="#448866" />
+                  )}
+                </View>
+              </View>
+            )}
+          </View>
+          <View style={styles.inputwrapper}>
             <Ionicons style={styles.icon} name="user" size={18} color="#888888" />
             <TextInput style={styles.inputfield} value={state.username} onChangeText={actions.setUsername}
                 autoCapitalize="none" placeholder="username" />
             <View style={styles.space}>
-              <Text style={styles.required}>✻</Text>
+                { (!validServer || !validToken || !state.username || !state.usernameChecked) && (
+                  <Text style={styles.required}>✻</Text>
+                )}
+                { validServer && validToken && state.username && state.usernameChecked && !state.usernameValid && (
+                  <Ionicons style={styles.icon} name="exclamationcircleo" size={18} color="#ff8888" />
+                )}
+                { validServer && validToken && state.username && state.usernameChecked && state.usernameValid && (
+                  <Ionicons style={styles.icon} name="checkcircleo" size={18} color="#448866" />
+                )}
             </View>
           </View>
           { state.showPassword && (
diff --git a/app/mobile/src/access/create/Create.styled.js b/app/mobile/src/access/create/Create.styled.js
index 62489f09..7460b990 100644
--- a/app/mobile/src/access/create/Create.styled.js
+++ b/app/mobile/src/access/create/Create.styled.js
@@ -20,7 +20,7 @@ export const styles = StyleSheet.create({
   },
   required: {
     fontSize: 12,
-    color: Colors.alert,
+    color: Colors.grey,
     textAlignVertical: 'center',
   },
   container: {
@@ -31,6 +31,9 @@ export const styles = StyleSheet.create({
     height: '100%',
     display: 'flex',
   },
+  token: {
+    height: 52,
+  },
   control: {
     display: 'flex',
     flexDirection: 'row',
@@ -103,6 +106,7 @@ export const styles = StyleSheet.create({
     height: 28,
     backgroundColor: Colors.primary,
     borderRadius: 4,
+    marginBottom: 16,
   },
   createtext: {
     color: Colors.formFocus,
@@ -122,14 +126,14 @@ export const styles = StyleSheet.create({
   nocreatetext: {
     color: Colors.disabled,
   },
-  create: {
+  login: {
     marginTop: 16,
     marginBottom: 16,
   },
-  createtext: {
+  logintext: {
     fontColor: 'yellow',
   },
-  nocreatetext: {
+  nologintext: {
     color: Colors.disabled,
   },
     
diff --git a/app/mobile/src/access/create/useCreate.hook.js b/app/mobile/src/access/create/useCreate.hook.js
index 4a0f85f5..3d7643b4 100644
--- a/app/mobile/src/access/create/useCreate.hook.js
+++ b/app/mobile/src/access/create/useCreate.hook.js
@@ -2,6 +2,8 @@ import { useState, useEffect, useContext, useRef } from 'react';
 import { useWindowDimensions } from 'react-native';
 import { useNavigate } from 'react-router-dom';
 import { AppContext } from 'context/AppContext';
+import { getAvailable } from 'api/getAvailable';
+import { getUsername } from 'api/getUsername';
 
 export function useCreate() {
 
@@ -18,23 +20,26 @@ export function useCreate() {
     confirm: null,
     showPassword: false,
     showConfirm: false,
-    serverCheck: true,
+    serverChecked: true,
     serverValid: false,
     tokenRequired: false,
-    usernameCheck: true,
+    tokenChecked: true,
+    tokenValid: false,
+    usernameChecked: true,
     usernameValid: false,
-    
   });
 
-  const debounceUsername = useRef(null);
-  const debounceServer = useRef(null);
+  const debounce = useRef(null);
 
   const updateState = (value) => {
     setState((s) => ({ ...s, ...value }));
   }
 
   useEffect(() => {
-    if (state.password && state.username && state.server && state.confirm && state.password === state.confirm) {
+    if (state.usernameChecked && state.serverChecked && state.tokenChecked &&
+        state.password && state.username && state.server && state.confirm &&
+        (!state.tokenRequired || state.tokenValid) &&
+        state.serverValid && state.usernameValid && state.password === state.confirm) {
       if (!state.enabled) {
         updateState({ enabled: true });
       }
@@ -44,20 +49,93 @@ export function useCreate() {
         updateState({ enabled: false });
       }
     }
-  }, [state.login, state.password]);
+  }, [state]);
+
+  const check = (server, token, username) => {
+    if (debounce.current) {
+      clearTimeout(debounce.current);
+    }
+    debounce.current = setTimeout(async () => {
+      debounce.current = null;
+      if (server) {
+        try {
+          const available = await getAvailable(server);
+          if (available) {
+            if (username) {
+              try {
+                const claimable = await getUsername(username, server, null);
+                updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: false,
+                    usernameValid: claimable, serverValid: true });
+              }
+              catch (err) {
+                updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: false,
+                    usernameValid: false, serverValid: true });
+              }
+            }
+            else {
+              updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: false,
+                  serverValid: true });
+            }
+          }
+          else {
+            if (token) {
+              try {
+                const accessible = await getUsername(null, server, token);
+                if (accessible) {
+                  if (username) {
+                    try {
+                      const claimable = await getUsername(username, server, token);
+                      updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: true,
+                          usernameValid: claimable, tokenValid: true, serverValid: true });
+                    }
+                    catch (err) {
+                      updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: true,
+                          usernameValid: false, tokenValid: true, serverValid: true });
+                    }
+                  }
+                  else {
+                    updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: true,
+                        tokenValid: true, serverValid: true });
+                  }
+                }
+                else {
+                  updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: true,
+                      tokenValid: false, serverValid: true });
+                }
+              }
+              catch (err) {
+                updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: true,
+                    tokenValid: false, serverValid: true });
+              }
+            }
+            else {
+              updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, tokenRequired: true,
+                  serverValid: true });
+            }
+          }
+        }
+        catch (err) {
+          updateState({ usernameChecked: true, tokenChecked: true, serverChecked: true, serverValid: false });
+        }
+      }
+    }, 1000);
+  }
 
   const actions = {
     config: () => {
       navigate('/admin');
     },
     setServer: (server) => {
-      updateState({ server });
+      updateState({ server, serverChecked: false });
+      check(server, state.token, state.username);
     },
     setToken: (token) => {
-      updateState({ token });
+      updateState({ token, tokenChecked: false });
+      check(state.server, token, state.username);
     },
     setUsername: (username) => {
-      updateState({ username });
+      updateState({ username, usernameChecked: false });
+      check(state.server, state.token, username);
     },
     setPassword: (password) => {
       updateState({ password });
diff --git a/app/mobile/src/api/getAvailable.js b/app/mobile/src/api/getAvailable.js
index f16bd1a6..1fd16519 100644
--- a/app/mobile/src/api/getAvailable.js
+++ b/app/mobile/src/api/getAvailable.js
@@ -1,7 +1,7 @@
 import { checkResponse, fetchWithTimeout } from './fetchUtil';
 
-export async function getAvailable() {
-  let available = await fetchWithTimeout("/account/available", { method: 'GET' })
+export async function getAvailable(server) {
+  let available = await fetchWithTimeout(`https://${server}/account/available`, { method: 'GET' })
   checkResponse(available)
   return await available.json()
 }
diff --git a/app/mobile/src/api/getUsername.js b/app/mobile/src/api/getUsername.js
index 65854f7c..5fb322dd 100644
--- a/app/mobile/src/api/getUsername.js
+++ b/app/mobile/src/api/getUsername.js
@@ -1,11 +1,18 @@
 import { checkResponse, fetchWithTimeout } from './fetchUtil';
 
-export async function getUsername(name, token) {
-  let access = "";
-  if (token) {
-    access = `&token=${token}`
+export async function getUsername(name, server, token) {
+  let query = "";
+  if (token && name) {
+    query = `?name=${encodeURIComponent(name)}&token=${token}`;
   }
-  let available = await fetchWithTimeout('/account/username?name=' + encodeURIComponent(name) + access, { method: 'GET' })
+  else if (!token && name) {
+    query = `?name=${encodeURIComponent(name)}`
+  }
+  else if (token && !name) {
+    query = `?token=${token}`;
+  }
+    
+  let available = await fetchWithTimeout(`https://${server}/account/username${query}`, { method: 'GET' })
   checkResponse(available)
   return await available.json()
 }