SQLConfigDataSource - Defining the 'lpszAttributes' from Access (vba) to SQL 2K

I am having some issues trying to exploit the above function wrt. the
attributes and how to define them from some VBA code. I have hunted
through various Newsgroups, MSDN Areas and Websites, it appears to be
fully discussed but I still can't use all the attributes.

I am using the following code called with parameters from another
function:-

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Private Declare Function SQLConfigDataSource Lib "ODBCCP32.DLL" _
(ByVal hwndParent As Long, _
ByVal fRequest As Long, _
ByVal lpszDriver As String, _
ByVal lpszAttributes As String) As Long

Const ODBC_ADD_SYS_DSN = 4 'Add data source
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Public Function CreateSQLServerDSN(DSNName As String, ServerName As
String, Database As String, User As String, Password As String) As
Boolean

Dim sAttributes As String

sAttributes = "DSN=" & DSNName & Chr(0)
sAttributes = sAttributes & "Server=" & ServerName & Chr(0)
sAttributes = sAttributes & "Database=" & Database & Chr(0)
sAttributes = sAttributes & "Description=VSS - " & DSNName & Chr(0)
sAttributes = sAttributes & "UID=" & User & Chr(0)
sAttributes = sAttributes & "PWD=" & Password & Chr(0) & Chr(0)

CreateSQLServerDSN = CreateDSN("SQL Server", sAttributes)

End Function
-------------------------------------------------------------------
Public Function CreateDSN(Driver As String, Attributes As String) As
Boolean

CreateDSN = SQLConfigDataSource(0, ODBC_ADD_SYS_DSN, Driver,
Attributes)

End Function
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If I strip off the UID & PWD elements of the sAttributes string it
works, if I leave either of them in plave it fails to create a System
DSN.

Another issue I was hoping to cure was the ability to set the
Authentication method whilst the System DSN was being created, can
this be done?

I appreciate any assistance, guidance, weblinks or samples that may be
lurking around out there.

Thank you in advance.