DhcpModifyClass function

The DhcpModifyClass function modifies a DHCP class defined on the server.

Syntax


DWORD DhcpModifyClass(
  _In_ LPWSTR            ServerIpAddress,
  _In_ DWORD             ReservedMustBeZero,
  _In_ LPDHCP_CLASS_INFO ClassInfo
);

Parameters

ServerIpAddress [in]

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

ReservedMustBeZero [in]

Reserved. This value must be set to 0.

ClassInfo [in]

Pointer to a DHCP_CLASS_INFO structure that contains the new information for the class.

Return value

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

Return codeDescription
ERROR_ACCESS_DENIED

This call was performed by a client who is not a member of the "DHCP Administrators" security group.

ERROR_INVALID_PARAMETER

The DHCP_CLASS_INFO structure provided in ClassInfo has null or invalid values for the ClassName or ClassData member (or both).

ERROR_DHCP_CLASS_NOT_FOUND

A class name could not be found that matches the provided information.

ERROR_DHCP_JET_ERROR

An error occurred while accessing the DHCP server's database.

ERROR_DHCP_CLASS_ALREADY_EXISTS

The new class name is currently in use, or the new class information is currently in use.

 

Requirements

Minimum supported client

None supported

Minimum supported server

Windows Server 2008 R2 [desktop apps only]

Header

Dhcpsapi.h

Library

Dhcpsapi.lib

DLL

Dhcpsapi.dll

See also

DhcpCreateClass
DhcpDeleteClass
DHCP_CLASS_INFO

 

 

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