> Source: [sk168319](https://support.checkpoint.com/results/sk/sk168319)

# sk168319 - Adding/Changing Leading interface through mdsconfig fails

| Property | Value |
|----------|-------|
| Solution ID | sk168319 |
| Date Created | 2020-07-29 |
| Last Modified | 2020-10-21 |
| Technical Level | Advanced |
| Products | Multi-Domain Security Management Server |
| Versions | R82.10, R81.20, R82 |

## Symptoms

- When trying to add/change the Leading interface through `mdsconfig`, it fails with error:  
`no external interfaces found on this machine`

## Solution

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

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