Troubleshooting Tip: 'Lease is declared twice!' error when adding DHCP scope

This article discusses reasons the behavior where DHCP scopes are unable to be added to Configuration Wizard.

The error 'lease is declared twice!' is printed in the Results view after select 'Apply' in Configuration Wizard.

Verify:

- Scopes do not overlap.

- There are no duplicate scopes.

- Mask for each scope is correct and there are no typos.