---
title: Password Doesn’t Match or Username Doesn’t Exist
description: "**ERROR MESSAGES** ***Supplied password does not match user password or Username does not exist*** # Possible Problems and Solutions: The following table is designed to assist you with troubleshooting this error. | When The Error Message Was Received | Possible…"
url: "https://i2b2.org/docs/password-doesn-27t-match-or-username-doesn-27t-exist/"
updated: "2026-09-15"
category: i2b2 Installation Guide / Chapter 7. Troubleshooting Installation Errors
---

# Password Doesn’t Match or Username Doesn’t Exist

**ERROR MESSAGES**

***Supplied password does not match user password or Username does not exist***

# Possible Problems and Solutions:

The following table is designed to assist you with troubleshooting this error.

| When The Error Message Was Received | Possible Problem(s) | Possible Solution(s) |
| --- | --- | --- |
| Received when attempting to log into the i2b2 Web Client or Workbench | - The user may not be entered into the i2b2 Administration Module. - The user may be entering the wrong username and/or password. - The user may have their *Caps Lock* on when entering their username and password. | - Log into i2b2 Admin and verify the user is setup. - Verify they are entering the correct username. Since you are not able to see passwords you can enter a new password for the user after confirming their identity. - Verify the user is not typing with the *Caps Lock* on. |

# Installation Guide Resources:

The following resources address managing users in the i2b2 Administration Module. This includes adding a new user and editing an existing one.

| Resource For... | Chapter | Section |
| --- | --- | --- |
| Logging into i2b2 Admin | [i2b2 Administration Module Install](https://i2b2.org/docs/2-i2b2-administration-module-install/) | [Verify Admin Installation](https://i2b2.org/docs/2-4-verify-admin-installation/) |
| Managing Users in i2b2 Admin | [Initial Setup of i2b2 in Admin](https://i2b2.org/docs/chapter-6-initial-setup-of-i2b2-in-admin/) | [Managing i2b2 Users](https://i2b2.org/docs/6-5-managing-i2b2-users/) |
| Adding a New User | [Initial Setup of i2b2 in Admin](https://i2b2.org/docs/chapter-6-initial-setup-of-i2b2-in-admin/) | [Add a New User](https://i2b2.org/docs/6-5-1-1-add-a-new-user/) |
| Editing an Existing User | [Initial Setup of i2b2 in Admin](https://i2b2.org/docs/chapter-6-initial-setup-of-i2b2-in-admin/) | [Edit Existing User](https://i2b2.org/docs/6-5-1-2-edit-existing-user/) |