Ensure that the OfficeScan agents can connect to the update source using their IP addresses. For example, if you specified an IPv4 address range, the update source must have an IPv4 address. If you specified an IPv6 prefix and length, the update source must have an IPv6 address. For details about IPv6 support for agent updates, see OfficeScan Agent Update Sources.
Update Agents update components, domain settings, and agent programs and hot fixes, only from the OfficeScan server
OfficeScan agents update the following items from the OfficeScan server if all customized sources are unavailable or not found:
OfficeScan agent programs and hot fixes