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POnetuseradd user already exists error
 

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    <p>I receive user already exists error code when I try to create account programmaticaly in windows 7, although user does not exists. What may be the cause of this problem ?</p> <pre><code>int wmain(int argc, wchar_t *argv[]) { USER_INFO_1 ui; ui.usri1_name =L"test-PC"; ui.usri1_password = L"12"; 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; addUser(NULL, ui); while(true){} return 0; </code></pre> <p>}</p> <pre><code>int addUser(LPWSTR servername, USER_INFO_1 ui) { DWORD dwLevel = 1; DWORD dwError = 0; // Call the NetUserAdd function, specifying level 1. NET_API_STATUS nStatus = NetUserAdd(servername, dwLevel, (LPBYTE)&amp;ui, &amp;dwError); // If the call succeeds, inform the user. // Nerr_Success error code is 0 independant from nerr_base if (nStatus == NERR_Success) { fwprintf(stderr, L"ADD: User %s has been successfully added on %s\n", "1", "2"); return 1; } //Nerr_base should be given since userexists is calculated by adding nerr_base to error code else if((NERR_BASE + nStatus) == NERR_UserExists) fprintf(stderr, "ADD: Account already exists: %d\n", nStatus); else if(NERR_BASE + nStatus == ERROR_ACCESS_DENIED) fprintf(stderr, "ADD: Access Denied: %d\n", nStatus); else if(NERR_BASE + nStatus == NERR_PasswordTooShort) fprintf(stderr, "ADD: Password is too short: %d\n", nStatus); else if(NERR_BASE + nStatus == NERR_PasswordTooLong) fprintf(stderr, "ADD: Password is too long: %d\n", nStatus); else fprintf(stderr, "ADD: A system error has occurred2: %d\n", nStatus); return 0; </code></pre> <p>}</p>
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    1. COWhy do you specify `dwLevel` equal to zero? It shall be equal to 1.
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    2. COThank you for your response I realized that lately.It solves my problem.
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