diff --git a/src/server/lib/encodePassword.ts b/src/server/lib/encodePassword.ts
index 4bde902..b87de0b 100644
--- a/src/server/lib/encodePassword.ts
+++ b/src/server/lib/encodePassword.ts
@@ -1,12 +1,11 @@
 export function encodePassword(password: string): string {
-  let encodedPassword = "";
-  password = '"' + password + '"';
-
-  for (let i = 0; i < password.length; i++)
-    encodedPassword += String.fromCharCode(
+  let newPassword = ''
+  password = '"' + password + '"'
+  for (let i = 0; i < password.length; i++) {
+    newPassword += String.fromCharCode(
       password.charCodeAt(i) & 0xff,
       (password.charCodeAt(i) >>> 8) & 0xff
-    );
-
-  return encodedPassword;
+    )
+  }
+  return newPassword
 }
diff --git a/src/server/lib/updatePassword.ts b/src/server/lib/updatePassword.ts
index e2f89e5..564819a 100644
--- a/src/server/lib/updatePassword.ts
+++ b/src/server/lib/updatePassword.ts
@@ -1,4 +1,10 @@
-import { Client, Change, Attribute } from 'ldapts'
+import {
+  Client,
+  Change,
+  Attribute,
+  InvalidCredentialsError,
+  UnwillingToPerformError
+} from 'ldapts'
 import { encodePassword } from './encodePassword'
 
 const ldapClient = new Client({
@@ -40,8 +46,11 @@ export async function updatePassword({
 }): Promise<'SUCCESS' | 'FAIL'> {
   try {
     const userDN = await getUserDN(username)
+
     await ldapClient.bind(userDN, password)
 
+    console.log('binded')
+
     await ldapClient.modify(userDN, [
       new Change({
         operation: 'delete',
@@ -60,10 +69,21 @@ export async function updatePassword({
     ])
 
     return 'SUCCESS'
-  } catch (err) {
-    console.error(err)
+  } catch (err: any) {
+    console.log(err)
+
+    if (err instanceof InvalidCredentialsError) {
+      throw new Error('Usuário ou senha atual incorreta.')
+    }
+
+    if (err instanceof UnwillingToPerformError) {
+      throw new Error(
+        'A senha atual está correta, mas o servidor recusou a alteração. Verifique se a nova senha atende aos requisitos de complexidade.'
+      )
+    } else throw err
   } finally {
     await ldapClient.unbind()
+    console.log('unbinded')
   }
   return 'FAIL'
 }
diff --git a/src/server/trpc.ts b/src/server/trpc.ts
index 12e25a5..d258681 100644
--- a/src/server/trpc.ts
+++ b/src/server/trpc.ts
@@ -20,6 +20,8 @@ export const appRouter = router({
       newPassword: z.string().min(8)
     })
   ).mutation(async ({ input }) => {
+    console.log('input', input)
+
     const { username, password, newPassword } = input
     try {
       await updatePassword({