Event ID 1002 — DHCP Client Address Conflicts | Microsoft...
ID:1002 Source:Microsoft-Windows-DHCP-Client Version:6.1 Symbolic Name:EVENT_NACK_LEASE Message:The IP address lease %1 for the network adapter with MAC address %2 has been denied by the DHCP server %3 (The DHCP server sent a DHCPNACK message). ...