If you’ve been wondering why pet classes such as the Necromancer and Witch Doctor are having a hard time with summoned creatures not wanting join in the combat, then you’re not alone. Blizzard is on the case though.
The update on this issue from Blizzard reads:
[BLUE]We’ve certainly noticed this issue (not only with the Necromancer, but with other pet classes as well). We’re currently investigating the underlying cause, and we’re aiming to address this issue in a future patch.[/BLUE]