If you have written into support lately you should have seen something like this in the signature of the engineer you were working with
In 10 days we will be removing these engines from our update servers.
One thing that customers need to be aware of
If they have the “Box Set” license that comes with Antigen, CAVet, Microsoft, Norman, Sophos
they will be running with only the Microsoft updated engine as of the first.
The solution to this is to request a new license file that will unlock the Kaspersky, VirusBuster and Command engine and Cloud Mark for Anti-Spam.
The instructions for the license is in the link above.l