The DVA Checking Service has resolved the issue that affected their service today, and full service has been restored.
Users can now verify using Northern Ireland driving licences
We understand the issue was caused by a permissions issue on their systems and only impacted users of this service.
I’m sorry for the impact that this has had on your users and the service you provide.
The quickest way to get help is to email us via firstname.lastname@example.org
GOV.UK Verify team