Registry probs with RegSaveKey

Posted on 2004-09-07
Last Modified: 2013-12-04
I am having a problem saving a registry to a file using RegSaveKey.
I can open the registry fine but when I try to save it with

    ret= RegSaveKey(hkey,path,NULL);

I get a 1314 return code which is "A required privilege is not held by the client"
I pass in NULL as the LPSECURITY_ATTRIBUTES which should default to the client privs and the key I am reading was placed in by the client as well. I can read and access it just fine its only this function that fails. Any ideas?
Question by:joele23
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Expert Comment

ID: 12000172
Take a look at


The calling process must have the SE_BACKUP_NAME privilege enabled. For more information, see Running with Special Privileges.
Windows Me/98/95:  This platform uses a different registry hive file format than Windows NT. Therefore, you cannot load a registry hive file created on Windows 95/98/Me on Windows NT or vice-versa.

So you need to change your won process previlages with SE_BACKUP_NAME

Accepted Solution

mxjijo earned 125 total points
ID: 12000275

Call the following functionto set the privilage

if (!GrabPrivilage(SE_BACKUP_NAME))
    printf("\nFailed. Cannot set previlage");
    printf("\nSE_BACKUP_NAME Privilage has been set");

    // Now call RegSaveKey() here...


GrabPrivilage(LPCTSTR szNewPriv)
    DWORD cbPriv = sizeof(PrivOld);
    HANDLE hToken;
      DWORD  dwError;

    // get current thread token
    if (!OpenThreadToken(GetCurrentThread(),
                         FALSE, &hToken))
        if (GetLastError() != ERROR_NO_TOKEN)
            return FALSE;
        // revert to the process token, if not impersonating
        if (!OpenProcessToken(GetCurrentProcess(),
            return FALSE;

    Priv.PrivilegeCount                        = 1;
    Priv.Privileges[0].Attributes      = SE_PRIVILEGE_ENABLED;
    LookupPrivilegeValue(NULL, szNewPriv, &Priv.Privileges[0].Luid);

    // try to enable the privilege
    if (!AdjustTokenPrivileges(hToken,
        dwError = GetLastError();
        return SetLastError(dwError), FALSE;

    if (GetLastError() == ERROR_NOT_ALL_ASSIGNED)
        // the SE_DEBUG_NAME privilege is not in the caller's token
        return SetLastError(ERROR_ACCESS_DENIED), FALSE;

      return TRUE;

Author Comment

ID: 12000977
very nice
thank you

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