diff --git a/server/src/classes/User.js b/server/src/classes/User.js
index 36f07fe..59f89db 100755
--- a/server/src/classes/User.js
+++ b/server/src/classes/User.js
@@ -10,6 +10,7 @@ import jwt from 'jsonwebtoken'
 import { pubsub, AUTH_UPDATED } from '../pubsub'
 import { logError, logInfo, logSuccess, logWarning } from '../lib/logger'
 
+import { performance } from 'perf_hooks'
 class User {
   constructor(username) {
     this.username = username
@@ -378,21 +379,36 @@ class User {
         message: 'Importando usuários para o Banco de Dados local'
       })
 
-      await Promise.all(
-        allAdUsers.map(async user =>
-          prisma.user.upsert({
-            where: {
-              sAMAccountName: user.sAMAccountName
-            },
-            update: user,
-            create: user
-          })
-        )
-      )
+      const startTime = performance.now()
+
+      // Do not promise.all, because it freezes the app
+      for (const [index, user] of allAdUsers.entries()) {
+        const dbUser = await prisma.user.upsert({
+          where: {
+            sAMAccountName: user.sAMAccountName
+          },
+          update: user,
+          create: user
+        })
+
+        logSuccess({
+          message: `Importado ${index + 1}/${allAdUsers.length} (${
+            user.sAMAccountName
+          }) ${user.displayName}`,
+          data: dbUser
+        })
+      }
+
+      const endTime = performance.now()
 
       logSuccess({
         tags: ['user', 'AD'],
-        message: `${allAdUsers.length} usuários importados do Active Directory`
+        message: `${
+          allAdUsers.length
+        } usuários importados do Active Directory em ${(
+          (endTime - startTime) /
+          1000
+        ).toFixed(2)}s`
       })
 
       return allAdUsers.length