OCPBUGS25674: Adding api-int pre-req to Creating Win Machineset on Nutanix

Author: Daniel Chadwick

windows_containers/creating_windows_machinesets/creating-windows-machineset-nutanix.adoc

@@ -13,6 +13,7 @@ You can create a Windows `MachineSet` object to serve a specific purpose in your
 
 * You installed the Windows Machine Config Operator (WMCO) using Operator Lifecycle Manager (OLM).
 * You are using a supported Windows Server as the operating system image.
+* You added a new DNS entry for the internal API server URL, `api-int.<cluster_name>.<base_domain>`, that points to the external API server URL, `api.<cluster_name>.<base_domain>`. This can be a CNAME or an additional A record.
 
 include::modules/machine-api-overview.adoc[leveloffset=+1]
 include::modules/windows-machineset-nutanix.adoc[leveloffset=+1]