---
title: Common Issues
slug: voice-for-microsoft-teams-legacy/common-issues
docTags: 
createdAt: 2025-07-30T02:41:56.234Z
---

## Restore lost connection

If the app becomes stuck or unresponsive, or you see a *Connection closed* message, it is possible that the **Unaric Voice MS-Teams Add-In** has lost connection to the **Unaric Voice Cloud Service.**

To reconnect, click the **Reconnect** button. This way, the system attempts to restore connections without restarting the app.

## Error notifications

The Add-In will display an error message if something goes wrong during login or usage.
 These messages appear:

- On the **authentication screen** (e.g., missing license or invalid user mapping).
- Inside the **app interface** when a request fails.

### Common error messages

| **Code / Message**                                                                                               | **Meaning**                                           |
| ---------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------- |
| ***400** – The Office 365 user is not recognized as a CTI user in Salesforce*                                    | The user is not set up correctly in Salesforce.       |
| ***1006** – No Unaric Voice MS Teams Add-In license assigned to the user*                                        | A valid license is missing.                           |
| ***1005** – The Office 365 user {userPrincipalName} is not added to a Salesforce Call Center Configuration* | The user is not linked to the Salesforce Call Center. |
| *Unable to connect to Unaric Cloud Service*                                                                      | General connection failure with the cloud service.    |