NetUserModalsGet call to samba 2.2.2 fails

[Tyler, Ross E]

the following code, in the context of an anonymous session with a samba
2.2.2 machine, fails.
(actually the code has failed since samba ~1.19 - it used to give an
access violation).

    static wchar_t sambaMachine[] = L"\\\\147.19.126.131";    // IP
address of my samba machine
    USER_MODALS_INFO_2 * domainIdInfo = 0;
    long error = NetUserModalsGet(sambaMachine, 2, (BYTE **)
&domainIdInfo);

the error is

    0x57: The parameter is incorrect

i have traced the problem on the smbd side using gdb and have found that

    rpc_server/srv_samr_nt.c : _samr_query_dom_info

returns

    NT_STATUS_INVALID_INFO_CLASS

when

    q_u->switch_value == 5

any ideas?
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From: "Tyler, Ross E" <retyler at raytheon.com>
Subject: NetUserModalsGet call to samba 2.2.2 fails
Date: Wed, 14 Nov 2001 11:54:57 -0800
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Url: http://lists.samba.org/archive/samba-ntdom/attachments/20011115/4cfc6f41/attachment.eml