Two servers running supported Windows Server with the same level of service packs and hot fixes installed.
Note: For a complete list of supported operating systems and applications, see the Arcserve RHA Release Notes.
All IP addresses are statically assigned (DHCP-assigned IP addresses on the Master or Replica server are not supported)
The protected server is not a domain controller or DNS server.
(In the Active Directory environment) Both Master and Replica servers should reside in the same Active Directory forest and also be members of the same domain or trusted domains.
