> Source: [sk178511](https://support.checkpoint.com/results/sk/sk178511)

# sk178511 - "<em>Policy installation failed on gateway. If the problem persists contact Check Point support (Error code: 0-1-2000040)</em>" - Policy Installation fails with error after adding Internal DNS Servers to Malware DNS Trap settings in a Threat Prevention Profile

| Property | Value |
|----------|-------|
| Solution ID | sk178511 |
| Date Created | 2022-04-05 |
| Last Modified | 2022-04-05 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * After adding one or more host objects to the **Internal DNS Servers** list in the **Malware DNS Trap** settings of a Threat Prevention profile, the policy installation fails with this error: "*Policy installation failed on gateway. If the problem persists contact Check Point support (Error code: 0-1-2000040)*"
* Removing the objects from the **Internal DNS Servers** list does not resolve the issue. A database revert resolves the issue.

## Cause

One of these objects has a misconfiguration that must be fixed.

## Solution

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

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