A few errors in event log relating to dhcp.
Event ID:1056 The DHCP service has detected that it is running on a DC and has no credentials configured for use with Dynamic DNS registrations initiated by the DHCP service. This is not a recommended security configuration. Credentials for Dynamic DNS registrations may be configured using the command line "netsh dhcp server set dnscredentials" or via the DHCP Administrative tool.
Event ID:1070 Iashlpr initialization failed: The DHCP service was unable to access path specified for the audit log.
, so DHCP server cannot talk to NPS server. It could be that IAS service is not started.
Event ID:10020 This computer has at least one dynamically assigned IPv6 address.For reliable DHCPv6 server operation, you should use only static IPv6 addresses.