The DHCP server role (Dynamic Host Configuration Protocol) in Windows Server 2012 and Windows Server 2012 R2 introduces a new policy-based feature for IP address allocation. The policy-based allocation (Policy Based Assignment, PBA) allows an administrator to group DHCP clients according to specific attributes based on the fields that are included in the DHCP client request packet. This feature allows a targeted administration and better management of configuration parameters that are network devices provided. The following fields in the DHCP client request are available when defining policies:
Vendor class
User class
MAC address
Client-ID
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To create a DHCP policy, the options apply only to non-NAP-compliant DHCP clients, and for example, access to network resources so limited that only remediation servers can be achieved, must be in the condition of the Directive, the value Default Network Access Protection Class be used . The required value for the condition of the directive is to be found below the user classes.