Your company has a network that has an active directory domain. The domain has two servers named DC1 and DC2. You plan to collect events from DC2 and transfer them to DC1. You configure the required subscriptions by selecting the normal option for the event delivery optimiation setting and using the HTTP protocol. you discovere that none of the subscritpions work. You need to ensure that the servers support event collectiors.
which three actions should you perform()?