The Win32 Network Management APIs 31






NetUserAdd() Program Example


The NetUserAdd() function adds a user account and assigns a password and privilege level. User account names are limited to 20 characters and group names are limited to 256 characters. In addition, account names cannot be terminated by a period and they cannot include commas or any of the following printable characters: ", /, \, [, ], :, |, <, >, +, =, ;, ?, *. Names also cannot include characters in the range 1-31, which are nonprintable. The following code sample demonstrates how to add a user account and assign a privilege level using a call to the NetUserAdd() function. The code sample fills in the members of the USER_INFO_1 structure and calls NetUserAdd(), specifying information level 1.

Create a new empty Win32 console application project. Give the project name and change the project location is needed.


NetUserAdd() Program Example: Creating new C++ Win32 console application project using Visual C++ .NEt


Then, add the source file and give it a suitable name.


NetUserAdd() Program Example: Adding new C++ source file


Then, add the following source code.


#ifndef UNICODE

#define UNICODE



#pragma comment(lib, "netapi32.lib")


#include <stdio.h>

#include <windows.h>

#include <lm.h>


int wmain(int argc, wchar_t *argv[])


   USER_INFO_1 ui;

   DWORD dwLevel = 1;

   DWORD dwError = 0;

   NET_API_STATUS nStatus;


   if (argc != 3)


      fwprintf_s(stderr, L"Usage: %s \\\\ServerName UserName\n", argv[0]);

      wprintf(L"Example: %s \\\\MikeServer Smith\n", argv[0]);




   // Set up the USER_INFO_1 structure.

   //  USER_PRIV_USER: name identifies a user,

   //    rather than an administrator or a guest.

   //  UF_SCRIPT: required

   ui.usri1_name = argv[2];

   ui.usri1_password = argv[2];

   ui.usri1_priv = USER_PRIV_USER;

   ui.usri1_home_dir = NULL;

   ui.usri1_comment = NULL;

   ui.usri1_flags = UF_SCRIPT;

   ui.usri1_script_path = NULL;


   // Call the NetUserAdd() function, specifying level 1.

   nStatus = NetUserAdd(argv[1],dwLevel,(LPBYTE)&ui,&dwError);


   // If the call succeeds, inform the user.

   if (nStatus == NERR_Success)


         wprintf(L"NetUserAdd() is OK!\n");

         fwprintf_s(stderr, L"User %s has been successfully added on %s\n",argv[2], argv[1]);



   // Otherwise, print the system error.



         wprintf(L"NetUserAdd() failed!\n");

         fwprintf_s(stderr, L"A system error has occurred: %d\n", nStatus);



   return 0;



We would like to add a new user, Mike Tyson.


NetUserAdd() Program Example: Verifying the added user programmatically through the computer management snap-in


Build and run the project. The following screenshot is a sample output.


NetUserAdd() Program Example: Sample program output showing how to add new user


Then verify the action. User Mike Tyson should be added as shown in the following screenshot.


NetUserAdd() Program Example: Verifying the added user





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