The official SQL Server AlwaysOn team blog.
In this blog, I will show you how to quickly setup a two-server FCI in a single Hyper-V server with no extra hardware. The steps shown here are for TESTING purposes only. You can use the steps both to get started on the FCI solution as well as investigate how it works in a virtualized environment.
Before you configure SQL Server Failover Clustering, AlwaysOn Availability Groups, or AlwaysOn Failover Cluster Instances, you must first create a WSFC cluster that encompasses all the servers. However, when you try to create a WSFC cluster in your domain, you might encounter the following error: You do not have permissions to create a computer object in Active Directory. Learn why this happens and how to avoid the error.