diff --git a/dashboard/src/views/AppConfigureView.vue b/dashboard/src/views/AppConfigureView.vue
index 86178ba3c..1fb582236 100644
--- a/dashboard/src/views/AppConfigureView.vue
+++ b/dashboard/src/views/AppConfigureView.vue
@@ -297,6 +297,7 @@ onBeforeUnmount(() => {
   text-align: center;
   border-radius: 10px;
   color: var(--pankow-text-color);
+  margin-top: 4px;
 }
 
 .apptask-progress-filled {
diff --git a/dashboard/src/views/EmailSettingsView.vue b/dashboard/src/views/EmailSettingsView.vue
index f38c9c05b..c8fc870c1 100644
--- a/dashboard/src/views/EmailSettingsView.vue
+++ b/dashboard/src/views/EmailSettingsView.vue
@@ -9,10 +9,12 @@ import SettingsItem from '../components/SettingsItem.vue';
 import DomainsModel from '../models/DomainsModel.js';
 import MailModel from '../models/MailModel.js';
 import TasksModel from '../models/TasksModel.js';
+import ServicesModel from '../models/ServicesModel.js';
 
 const domainsModel = DomainsModel.create();
 const mailModel = MailModel.create();
 const tasksModel = TasksModel.create();
+const servicesModel = ServicesModel.create();
 
 const inputDialog = useTemplateRef('inputDialog');
 const domains = ref([]);
@@ -116,6 +118,7 @@ async function onChangeVirtualAllMail(value) {
 
 
 const ftsEnabled = ref(false);
+const hasMailServiceSufficientMemory = ref(false);
 
 async function onChangeFts(value) {
   const [error] = await mailModel.setFtsConfig(value);
@@ -210,9 +213,11 @@ onMounted(async () => {
 
   [error, result] = await mailModel.ftsConfig();
   if (error) return console.error(error);
-  ftsEnabled.value = result;
+  ftsEnabled.value = result.enabled;
 
-  // TODO check mail service config for memory allocation for fts
+  [error, result] = await servicesModel.get('mail');
+  if (error) return console.error(error);
+  hasMailServiceSufficientMemory.value = result.config.memoryLimit >= 3221225472; // we need at least 3GB
 });
 
 </script>
@@ -324,7 +329,7 @@ onMounted(async () => {
           <label>{{ $t('emails.settings.solrFts') }}</label>
           <div v-html="$t('emails.solrConfig.description')"></div>
         </FormGroup>
-        <Switch v-model="ftsEnabled" @change="onChangeFts"/>
+        <Switch v-model="ftsEnabled" @change="onChangeFts" :disabled="!ftsEnabled && !hasMailServiceSufficientMemory"/>
       </SettingsItem>
 
       <SettingsItem>