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2.2 Basic Installation guide
2.2.1 Environment overview (network structure)
A company network usually consists of one local area network (LAN), therefore we suggest installing one ERAS and
one Mirror server. The Mirror server can either be created in ERAS or in ESET NOD32 Antivirus Business Edition / ESET
Smart Security Business Edition.
Suppose all clients are Microsoft Windows 2000/XP/Vista/7 workstations and notebooks, networked within a domain.
The server named GHOST is online 24/7 and can be a Windows workstation, Professional, or Server Edition (it does not
have to be an Active Directory Server). In addition, suppose that notebooks are not present in the company’s network
during the installation of ESET client solutions. The network structure may resemble the one displayed below: