Hi,Im having trouble in creating this network. Please help whats wrong with the setup.please see figures ..i cant ping PC2 to PC6

Hello,im new in packet tracer,  I have a problem in setting 2911 router.-I have main router (HQ) and I am connecting 2 switches (DMZ & active directory) and 2 routers (branch1& branch2) .-I have already connected the Active Directory switch and the 2...