3.2.5.2.3 No SoH-Response Received Within Health Check Timeout
If the DHCP server is unable to get a response from the health policy server (for example, if no response is received from the RADIUS server [RFC2865]), the processing will happen as configured in the DHCPv4ServerConfigInfo.QuarDefFail element, which is a shared element (see [MS-DHCPM] section 3.1.1.1). If the value of this element is set to NOQUARANTINE, the client will have normal access to the network. If the value is set to DROPPACKET, the behavior is the same as if the health policy server rejected the client request. If the value is set to RESTRICTEDACCESS, the client will be considered noncompliant with the NAP health policies.