Problems trying to migrating ports to a new Vlan using an externar DHCP server

Hello, here is the thing. I have the following configuration in my Core Switch:
interface Vlan1
ip address 10.24.74.1 255.255.254.0 secondary
ip address 192.0.2.54 255.255.255.0
ip helper-address 10.24.86.22
no ip redirects
As you see, we are using an external DHCP server for the Vlan1 and it is working:
Internet 192.0.2.98 0 3c97.0e23.3d8d ARPA Vlan1
Internet 192.0.2.194 0 e89a.8f77.36a0 ARPA Vlan1
Internet 192.0.2.195 0 e89a.8f77.01ab ARPA Vlan1
Internet 192.0.2.198 2 001c.25de.acaa ARPA Vlan1
Internet 192.0.2.199 0 d8eb.97a6.30a4 ARPA Vlan1
Internet 192.0.2.196 0 f0de.f1f1.1e06 ARPA Vlan1
Internet 192.0.2.203 0 e89a.8f77.016f ARPA Vlan1
Internet 192.0.2.207 4 d0c7.89d6.3ba3 ARPA Vlan1
Internet 192.0.2.211 0 4437.e636.7ef7 ARPA Vlan1
But, when a try to migrate this port to a new Vlan (Vlan50), I got the following issue:
001290: Jul 23 08:27:44.705 GMT: DHCPD: DHCPREQUEST received from client 013c.970e.233d.8d.
001291: Jul 23 08:27:44.705 GMT: DHCPD: client has moved to a new subnet.
001292: Jul 23 08:27:44.705 GMT: DHCPD: Sending DHCPNAK to client 013c.970e.233d.8d.
001293: Jul 23 08:27:44.705 GMT: DHCPD: broadcasting BOOTREPLY to client 3c97.0e23.3d8d.
001294: Jul 23 08:27:44.725 GMT: dhcp_snooping_get_ingress_port: Interface src_index 0xF
001295: Jul 23 08:27:44.725 GMT: DHCPD: DHCPDISCOVER received from client 013c.970e.233d.8d on interface Vlan50.
001296: Jul 23 08:27:44.725 GMT: DHCPD: there is no address pool for 10.24.76.1.
001297: Jul 23 08:27:44.725 GMT: DHCPD: setting giaddr to 10.24.76.1.
001298: Jul 23 08:27:44.725 GMT: DHCPD: BOOTREQUEST from 013c.970e.233d.8d forwarded to 10.24.86.21.
Any suggestions,
Thank you in advance,

Just to help someone who has the same issue.
I found this on the web site:
When the server receives a DHCPREQUEST from a client in the RENEWING (or REBINDING) state, it normally grants the renewal only if the client has an unexpired lease with this server. Otherwise the server ignores the request; the server to which the client is bound should answer the client. (The only exception is normally that if a server is sure the IP address the client is asking for is inappropriate for the client, the server will send a DHCPNAK, which forces the client back to the INIT state.)
Thank you anyway

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Please show commands....appreciated
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Problems trying to migrating ports to a new Vlan using an externar DHCP server

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