Plesk8 migration fails

This fails even though I have double checked that "email and spam filtering" has been enabled in the default template.

Validating migration file ..
.. done

Starting migration of x from local file /home/nick/x_2008.12.04_11.48 ..

Checking for Plesk features ..
.. found Home directory, Administration user, Apache website, Webmin login, Mail for domain, BIND DNS domain, Apache website, Log file rotation, Webalizer reporting, MySQL database, Virus filtering.

Checking for clashes and dependencies ..
Virus filtering cannot be enabled unless email and spam filtering is

Failed to migrate any servers!

Status: 
Closed (fixed)