A pure IPv6 OfficeScan server cannot update directly from pure IPv4 update sources, such as:
Trend Micro ActiveUpdate Server
Any pure IPv4 custom update source
Similarly, a pure IPv4 OfficeScan server cannot update directly from pure IPv6 custom update sources.
A dual-stack proxy server that can convert IP addresses, such as DeleGate, is required to allow the server to connect to the update sources.