diff --git a/frontend/src/pages/FlowChart.vue b/frontend/src/pages/FlowChart.vue
index 8064ac6..2ab73d0 100644
--- a/frontend/src/pages/FlowChart.vue
+++ b/frontend/src/pages/FlowChart.vue
@@ -232,8 +232,38 @@ const onDeploy = async () => {
     });
     return;
   }
+
+  deployLoading.value = true;
+  try {
+    const { data }: {data: {code: string, groups: {code: string}[]}} = await api.get('api/v1/defaultgroup');
+    if (data.code === 'CB_WA01') {
+      $q.notify({
+        type: 'negative',
+        caption: 'エラー',
+        message: 'ユーザーのパスワード認証に失敗しました。'
+      });
+      deployLoading.value = false;
+      return;
+    } else if (!data.groups || !data.groups.some((group: {code: string}) => group.code === 'Administrators')){
+      $q.notify({
+        type: 'negative',
+        caption: 'エラー',
+        message: 'この操作には管理者権限が必要です。'
+      });
+      deployLoading.value = false;
+      return;
+    }
+  } catch (e) {
+    $q.notify({
+      type: 'negative',
+      caption: 'エラー',
+      message: 'サーバーに接続できませんでした。'
+    });
+    deployLoading.value = false;
+    return;
+  }
+
   try {
-    deployLoading.value = true;
     await store.deploy();
     deployLoading.value = false;
     $q.notify({
diff --git a/frontend/src/pages/TenantDomain.vue b/frontend/src/pages/TenantDomain.vue
index fb6228f..07317ae 100644
--- a/frontend/src/pages/TenantDomain.vue
+++ b/frontend/src/pages/TenantDomain.vue
@@ -53,21 +53,21 @@
             <div class="text-h6 q-ma-sm">Kintone Account</div>
           </q-card-section>
 
-          <q-card-section class="q-pt-none q-mt-none">
+          <q-card-section class="q-py-none q-mt-none">
             <div class="q-gutter-lg">
 
               <q-input filled v-model="name" label="環境名 *" hint="kintoneの環境名を入力してください" lazy-rules
                 :rules="[val => val && val.length > 0 || 'kintoneの環境名を入力してください。']" />
 
-              <q-input filled type="url" v-model.trim="url" label="Kintone url" hint="KintoneのURLを入力してください" lazy-rules
+              <q-input filled v-model.trim="url" :readonly="!isCreate" label="Kintone url" :hint="isCreate ? 'KintoneのURLを入力してください':'KintoneのURLは変更できません。新規作成してください。'" lazy-rules
                 :rules="[val => val && val.length > 0 || 'KintoneのURLを入力してください']" />
 
-              <q-input filled v-model="kintoneuser" label="ログイン名 *" hint="Kintoneのログイン名を入力してください" lazy-rules
+              <q-input v-if="isCreate" filled v-model="kintoneuser" label="ログイン名 *" hint="Kintoneのログイン名を入力してください" lazy-rules
                 :rules="[val => val && val.length > 0 || 'Kintoneのログイン名を入力してください']" autocomplete="new-password" />
 
               <q-input v-if="isCreate" v-model="kintonepwd" filled :type="isPwd ? 'password' : 'text'"
-                hint="パスワード" label="パスワード" :disable="!isCreate" lazy-rules
-                :rules="[val => val && val.length > 0 || 'Please type something']" autocomplete="new-password">
+                hint="Kintoneのパスワードを入力してください" label="パスワード" :disable="!isCreate" lazy-rules
+                :rules="[val => val && val.length > 0 || 'Kintoneのパスワードを入力してください']" autocomplete="new-password">
                 <template v-slot:append>
                   <q-icon :name="isPwd ? 'visibility_off' : 'visibility'" class="cursor-pointer"
                     @click="isPwd = !isPwd" />
@@ -88,30 +88,51 @@
 
                 <q-item tag="label" class="q-pl-sm q-pr-none q-py-xs">
                   <q-item-section>
-                    <q-item-label>パスワードリセット</q-item-label>
+                    <q-item-label>管理者アカウントの変更</q-item-label>
                   </q-item-section>
                   <q-item-section avatar>
-                    <q-toggle v-model="resetPsw" @update:model-value="updateResetPsw" />
+                    <q-toggle v-model="changeAccount" @update:model-value="updateChangeAccount" />
                   </q-item-section>
                 </q-item>
 
-                <q-input v-model="kintonepwd" filled :type="isPwd ? 'password' : 'text'" hint="パスワードを入力してください"
-                  label="パスワード" :disable="!resetPsw" lazy-rules
-                  :rules="[val => val && val.length > 0 || 'Please type something']" autocomplete="new-password">
-                  <template v-slot:append>
-                    <q-icon :name="isPwd ? 'visibility_off' : 'visibility'" class="cursor-pointer"
-                      @click="isPwd = !isPwd" />
-                  </template>
-                </q-input>
-                <!-- <q-btn label="asdf"/> -->
+                <q-expansion-item
+                  header-class="hidden"
+                  class="q-mt-none"
+                  v-model="changeAccount"
+                >
+                    <q-input filled v-model="kintoneuser" label="ログイン名 *" hint="Kintoneのログイン名を入力してください" :disable="!changeAccount"
+                    :rules="[val => val && val.length > 0 || 'Kintoneのログイン名を入力してください']" lazy-rules class="q-mt-md"/>
+
+                    <q-input v-model="kintonepwd" filled :type="isPwd ? 'password' : 'text'" hint="Kintoneのパスワードを入力してください"
+                      label="パスワード" :disable="!changeAccount"  lazy-rules class="q-mt-lg q-mb-md"
+                      :rules="[val => val && val.length > 0 || 'Kintoneのパスワードを入力してください']" autocomplete="new-password">
+                      <template v-slot:append>
+                        <q-icon :name="isPwd ? 'visibility_off' : 'visibility'" class="cursor-pointer"
+                          @click="isPwd = !isPwd" />
+                      </template>
+                    </q-input>
+                  <!-- <q-btn label="asdf"/> -->
+                </q-expansion-item>
+
+
               </div>
             </div>
 
           </q-card-section>
-          <q-card-actions align="right" class="text-primary q-mb-md q-mx-sm">
-            <q-btn :loading="addEditLoading" label="保存" type="submit" color="primary" />
-            <q-btn label="キャンセル" type="cancel" color="primary" flat class="q-ml-sm" @click="closeDg()" />
-          </q-card-actions>
+
+          <div class="q-mt-none">
+            <q-banner dense :class="['text-white q-mt-sm q-py-xs q-mx-md', testResult?.success ? 'bg-green':'bg-red', testResult?.msg ? '':'invisible']">
+              {{ testResult?.msg }}
+            </q-banner>
+            <q-card-actions class="text-primary q-mb-md q-mx-sm relative-position">
+              <q-btn v-if="isCreate || changeAccount" :disable="!isConnectable" :loading="!!connectLoading" padding="xs md" :label="!!connectLoading ? '確認中...' : '接続確認'"
+              color="primary" outline @click="tryConnect()"/>
+              <q-btn v-if="!!connectLoading" label="停止" color="negative" flat class="q-ml-sm" @click="stopConnect" />
+              <q-space />
+              <q-btn :loading="addEditLoading" padding="xs md" label="保存" type="submit" color="primary" />
+              <q-btn label="キャンセル" type="cancel" color="primary" flat class="q-ml-sm" @click="closeDg()" />
+            </q-card-actions>
+            </div>
         </q-form>
       </q-card>
 
@@ -187,12 +208,14 @@ const pagination = ref({ sortBy: 'id', descending: true, rowsPerPage: 20 });
 const loading = ref(false);
 const addEditLoading = ref(false);
 const deleteLoadingState = ref<number>(-1); // -2: deleteLoading, -1: loading, 0: allow, > 0: user count
+const connectLoading = ref<AbortController|null>(null);
 
 const filter = ref('');
 const rows = ref<IDomainOwnerDisplay[]>([]);
 const show = ref(false);
 const confirm = ref(false);
-const resetPsw = ref(false);
+const changeAccount = ref(false);
+const testResult = ref<{msg: string, success?: boolean}|null>(null);
 
 const currentDomainId = computed(() => authStore.currentDomain.id);
 // const tenantid = ref(authStore.currentDomain.id);
@@ -200,8 +223,8 @@ const name = ref('');
 const url = ref('');
 const isPwd = ref(true);
 const kintoneuser = ref('');
+const kintoneuserBK = ref('');
 const kintonepwd = ref('');
-const kintonepwdBK = ref('');
 const domainActive = ref(true);
 const isCreate = ref(true);
 let editId = ref(0);
@@ -316,19 +339,20 @@ function editRow(row: any) {
   name.value = row.name;
   url.value = row.url;
   kintoneuser.value = row.user;
-  kintonepwd.value = row.password;
+  kintoneuserBK.value = row.user;
+  kintonepwd.value = ''
   domainActive.value = row.domainActive;
   isPwd.value = true;
   show.value = true;
 };
 
-const updateResetPsw = (value: boolean) => {
-  if (value === true) {
-    kintonepwd.value = ''
-    isPwd.value = true
-  } else {
-    kintonepwd.value = kintonepwdBK.value
-  }
+const updateChangeAccount = () => {
+  kintoneuser.value = kintoneuserBK.value;
+  kintonepwd.value = ''
+  connectLoading.value = null
+  isPwd.value = true
+  stopConnect();
+  testResult.value = null;
 }
 
 const closeDg = () => {
@@ -336,8 +360,60 @@ const closeDg = () => {
   onReset();
 }
 
-const onSubmit = () => {
+const tryConnect = async (isTest = true) => {
+  testResult.value = null;
+  if (isTest) {
+    connectLoading.value = new AbortController();
+  }
+  try {
+    const { data }: {data: {code: string, groups: {code: string}[]}} = await api.get('api/v1/group', {
+      params:{
+        kintoneurl: ensureHttps(url.value),
+        kintoneuser: kintoneuser.value,
+        kintonepwd: kintonepwd.value,
+      },
+      signal: (isTest && connectLoading.value) ? connectLoading.value.signal : undefined
+    });
+    if (data.code === 'CB_WA01') {
+      testResult.value = { msg: 'ユーザーのパスワード認証に失敗しました。' }
+    } else if (data.groups && data.groups.some((group: {code: string}) => group.code === 'Administrators')){
+      testResult.value = { success: true, msg: isTest ? 'kintoneの管理者アカウントで接続に成功しました。' : '' }
+      return true;
+    } else {
+      testResult.value = { msg: 'このアカウントはkintoneの管理者アカウントではありません。' }
+    }
+    return false;
+  } catch (e) {
+    const error = e as { code?: string };
+    if (error.code === 'ERR_CANCELED') {
+      console.log('Aborted');
+    } else {
+      testResult.value = { msg: 'サーバーに接続できませんでした。' }
+      throw error;
+    }
+    return false;
+  } finally {
+    connectLoading.value = null;
+  }
+}
+
+const ensureHttps = (url: string) => {
+    return !/^https?:\/\//i.test(url) ? 'https://' + url : url;
+}
+
+const stopConnect = () => {
+  if (!connectLoading.value) return;
+  connectLoading.value?.abort();
+  connectLoading.value = null;
+}
+
+const onSubmit = async () => {
   addEditLoading.value = true;
+  const tryResult = await tryConnect(false);
+  if (!tryResult) {
+    addEditLoading.value = false;
+    return
+  };
   const method = editId.value !== 0 ? 'put' : 'post';
   const param: IDomainSubmit = {
     'id': editId.value,
@@ -345,7 +421,7 @@ const onSubmit = () => {
     'name': name.value,
     'url': url.value,
     'kintoneuser': kintoneuser.value,
-    'kintonepwd': ((isCreate.value && editId.value == 0) || resetPsw.value) ? kintonepwd.value : '',
+    'kintonepwd': ((isCreate.value && editId.value == 0) || changeAccount.value) ? kintonepwd.value : '',
     'is_active': domainActive.value,
     'ownerid': authStore.userId || ''
   }
@@ -374,17 +450,24 @@ function openShareDg(type: typeof SHARE_MANAGE|typeof SHARE_USE, row: IDomainOwn
   }
 };
 
+const isConnectable = computed(()=> {
+  return url.value && kintoneuser.value && kintonepwd.value
+})
+
 const onReset = () => {
   name.value = '';
   url.value = '';
   kintoneuser.value = '';
+  kintoneuserBK.value = '';
   kintonepwd.value = '';
   isPwd.value = true;
   editId.value = 0;
   isCreate.value = true;
   domainActive.value = true;
-  resetPsw.value = false
+  changeAccount.value = false;
   addEditLoading.value = false;
+  connectLoading.value = null
+  testResult.value = null;
 }
 </script>
 <style lang="scss">
diff --git a/frontend/src/pages/UserManagement.vue b/frontend/src/pages/UserManagement.vue
index c935296..ef7d7b4 100644
--- a/frontend/src/pages/UserManagement.vue
+++ b/frontend/src/pages/UserManagement.vue
@@ -80,14 +80,14 @@
 
               <q-input v-if="isCreate" v-model="pwd" filled :type="isPwd ? 'password' : 'text'" hint="パスワード"
                 label="パスワード" :disable="!isCreate" lazy-rules
-                :rules="[val => val && val.length > 0 || 'Please type something']" autocomplete="new-password">
+                :rules="[val => val && val.length > 0 || 'パスワードを入力してください']" autocomplete="new-password">
                 <template v-slot:append>
                   <q-icon :name="isPwd ? 'visibility_off' : 'visibility'" class="cursor-pointer"
                     @click="isPwd = !isPwd" />
                 </template>
               </q-input>
 
-              <q-item tag="label" class="q-pl-sm q-pr-none q-py-xs">
+              <q-item tag="label" v-if="authStore.isSuperAdmin" class="q-pl-sm q-pr-none q-py-xs">
                 <q-item-section>
                   <q-item-label>システム管理者</q-item-label>
                 </q-item-section>
@@ -118,7 +118,7 @@
                 </q-item>
 
                 <q-input v-model="pwd" filled :type="isPwd ? 'password' : 'text'" hint="パスワードを入力してください" label="パスワード"
-                  :disable="!resetPsw" lazy-rules :rules="[val => val && val.length > 0 || 'Please type something']"
+                  :disable="!resetPsw" lazy-rules :rules="[val => val && val.length > 0 || 'パスワードを入力してください']"
                   autocomplete="new-password">
                   <template v-slot:append>
                     <q-icon :name="isPwd ? 'visibility_off' : 'visibility'" class="cursor-pointer"
@@ -131,7 +131,7 @@
 
           </q-card-section>
           <q-card-actions align="right" class="text-primary q-mb-md q-mx-sm">
-            <q-btn :loading="addEditLoading" label="保存" type="submit" color="primary" />
+            <q-btn :loading="addEditLoading" padding="xs md" label="保存" type="submit" color="primary" />
             <q-btn label="キャンセル" type="cancel" color="primary" flat class="q-ml-sm" @click="closeDg()" />
           </q-card-actions>
         </q-form>
@@ -160,10 +160,12 @@
 import { ref, onMounted, computed } from 'vue';
 import TableActionMenu from 'components/TableActionMenu.vue';
 import { useUserStore } from 'stores/useUserStore';
+import { useAuthStore } from 'stores/useAuthStore';
 import { IUserDisplay, IUserRolesDisplay } from 'src/types/UserTypes';
 import { Actions } from 'boot/permissions';
 
 const userStore = useUserStore();
+const authStore = useAuthStore();
 
 const columns = [
   { name: 'id', label: 'ID', field: 'id', align: 'left', sortable: true },