I didn't assign a subnet mask when I created the dhcp server pool. Your answer was helpful. Thank you.

What I posted saying no is this file. The file I posted just before is a successful file of the practice I followed.Why does this file fail dhcp?

I proceeded the same as the file of the newly attached packet tracer. However, in the practice of this file, servers are automatically assigned ip to dhcp, but my new practice does not automatically allocate ip.Why can't I get assigned when I did the...

I marked the dhcp server, and all servers except the network on the lower right are clients for dhcp.