DhcpCreateClass function (dhcpsapi.h)

The DhcpCreateClass function creates a custom option class.

Syntax

DWORD DhcpCreateClass(
  [in] LPWSTR            ServerIpAddress,
  [in] DWORD             ReservedMustBeZero,
  [in] LPDHCP_CLASS_INFO ClassInfo
);

[in] ServerIpAddress

Unicode string that specifies the IP address or hostname of the DHCP server.

[in] ReservedMustBeZero

Reserved. This field must be set to zero.

[in] ClassInfo

DHCP_CLASS_INFO structure that contains the specific option class data.

This function returns ERROR_SUCCESS upon a successful call. Otherwise, it returns one of the DHCP Server Management API Error Codes.

Return code	Description
ERROR_ACCESS_DENIED	This call was performed by a client who is not a member of the "DHCP Administrators" security group.
ERROR_DHCP_JET_ERROR	An error occurred while accessing the DHCP server's database.
ERROR_DHCP_CLASS_ALREADY_EXISTS	The specified class name is already defined on the DHCP server, or the class information is already in use..

Requirement	Value
Minimum supported client	None supported
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	dhcpsapi.h
Library	Dhcpsapi.lib
DLL	Dhcpsapi.dll