Problem with AD Connect

I inherited a system that had been federated to Azure using ADConnect v1, then they deleted the server and connected loaded ADConnect v2 and synced the domain to this. The cert expired and that is when I learned the did not use Federated domain to load ADConnect v2. Now when I load a new AS FS server and try to link the ADFS and Azure the system says there is no domain to link to, and will not show the domain as Federated. Any help would be great. Here is the error