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DhcpV4FailoverCreateRelationship function (dhcpsapi.h)

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The DhcpV4FailoverCreateRelationship function creates a new DHCPv4 failover relationship between two servers.

Syntax

DWORD DHCP_API_FUNCTION DhcpV4FailoverCreateRelationship(
  [in, optional] LPWSTR                       ServerIpAddress,
  [in]           LPDHCP_FAILOVER_RELATIONSHIP pRelationship
);

Parameters

[in, optional] ServerIpAddress

Pointer to a null-terminated Unicode string that represents the IP address or hostname of the DHCP server.

[in] pRelationship

Pointer to a DHCP_FAILOVER_RELATIONSHIP structure that contains information about the DHCPv4 failover relationship to create.

Return value

If the function succeeds, it returns ERROR_SUCCESS.

If the function fails, it returns one of the following or an error code from DHCP Server Management API Error Codes.

Value Meaning
ERROR_INVALID_PARAMETER
 One or more of the parameters were invalid.
ERROR_DHCP_SUBNET_NOT_PRESENT
 IPv4 scope doesn't exist on the DHCPv4 server.
ERROR_DHCP_FO_SCOPE_ALREADY_IN_RELATIONSHIP
 IPv4 is already part of another failover relationship.
ERROR_DHCP_FO_RELATIONSHIP_EXISTS
 A failover relationship with the same name already exists on DHCPv4 server.
ERROR_DHCP_FO_RELATIONSHIP_NAME_TOO_LONG
 The failover relationship name is longer than the expected length.
ERROR_DHCP_FO_MAX_RELATIONSHIPS
 The maximum number of allowed failover relationship configured on the DHCP server has exceeded.

Requirements

Requirement Value
Minimum supported client None supported
Minimum supported server Windows Server 2012 [desktop apps only]
Target Platform Windows
Header dhcpsapi.h
Library Dhcpsapi.lib
DLL Dhcpsapi.dll

See also

DhcpV4FailoverDeleteRelationship

DhcpV4FailoverEnumRelationship

DhcpV4FailoverGetRelationship

DhcpV4FailoverSetRelationship