> Source: [sk116118](https://support.checkpoint.com/results/sk/sk116118)

# sk116118 - Authentication to Domain Controller in Account Unit is not working

| Property | Value |
|----------|-------|
| Solution ID | sk116118 |
| Date Created | 2017-02-27 |
| Last Modified | 2017-03-06 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * Authentication to Domain Controller in Account Unit is not working, when there are more than one servers configured in the account unit, with different users.
* When running TCPDUMP on the Security Gateway, and the communication to the domain controller is in not encrypted, you can see the Gateway is sending a wrong username to the domain controller.
* Wrong username can be seen on the Domain controllers event viewer.

## Solution

This solution requires authentication. Please log in to view the full solution.

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