Failover cluster allows us to failover all services and the IP from one server to the other. As normal, firstly we have to enable and install it, as it is not installed by default:
To enable the failover, we have to follow very similar procedure as with the LDAP:
To configure the failover cluster, again via the server manager :) .
I had to create a 3rd server. WINNODEC and addining it to the domain: SQLDOM.COM, since WINNODEA and WINNODEB were in different organizational unit (OU). With winnodeA being Domain controler and winnodeB being part of the cluster.
After creating the 3rd server, installing failover capabilities and adding it to the domain. All tests passed :) Exept the single network ones.
Now we have empty failover cluster without any disk failovers or IP failovers or storage pool:
I have also allowed communication between the servers on LDAP level and made them trusted for delegation of service: