I have the answer, using a system dll alow connect to oter servers by NetBios
<DllImport("advapi32.DLL", SetLastError:=True)> _
Public Shared Function LogonUser(ByVal lpszUsername As String, ByVal lpszDomain As String, _
ByVal lpszPassword As String, ByVal dwLogonType As Integer, ByVal dwLogonProvider As Integer, _
ByRef phToken As IntPtr) As Integer
End Function
Private _adminToken As IntPtr
Private _widCurrent As WindowsIdentity
Private _widAdmin As WindowsIdentity
Private _wic As WindowsImpersonationContext
Private _admin As AdminShared.AdminManager
If LogonUser(sUser, sDomain, sPassword, 9, 0, _adminToken) <> 0 Then
_widAdmin = New WindowsIdentity(_adminToken)
_wic = _widAdmin.Impersonate()
File.Copy(sFileSource, sFileDest)
Else