Which three factors can be causing this issue?
A virtual Delivery Agent (VDA) is unable to register to the Delivery Controller.
Which three factors can be causing this issue? (Choose three.)
A . Improperly configured firewalls
B . Time differences between VDA-enabled machines and the joined domain
C . Incorrectly configured Citrix policy in Active Directory
D . Citrix ICA service NOT running
E . Wrong Reverse DNS lookups in a forest