If you are using an account with free vouchers it may have been suspended, if you are actually paying with your cash then give google a call and theyll have it up and running in minutes.
I use voucher in my account .. What do i do next ? Why ..Ad not show ??? I buy hosting netfirms and get voucher I will call to google Adwords support Thanks,
This is correct, while Search network ads run, content network don't run. We are not talking here about content network ads - we are talking about search network ads - Diagnostic Tool is for Search Network ads only.