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AuthorForum: PowerSNMP for ActiveX
Topic: Error code 12019

From: Herlong, CA USA
Posts: 3
Member Since: 01/05/09
posted January 19, 2009 8:09 PM

I'm new to using PowerSNMP and have a problem that I am not clear with. I made a nice little interface in Access 2003 to interface to an isolated HP ProCurve 2824 ethernet switch. It is for exploring how the ifIndex and ifNumber works for an application I am expanding to monitor ports. When I use my code to get something easy like sysName. no problem!. When I try to get ifNumber I get this;
"Error #12019: Get exception (NOSuchName) in variable index 1". I am loading the MIBS as I stepped through the VBA code so what gives?
Code below;

Private Sub Test1_Click()

  On Error GoTo OnError ' use intrinsic error handling

  Dim OIDNumber As String
  Dim IPAddress As String
  Dim Value As SnmpVariable

' Set the OID Number & IP Address strings for proper operation

  OIDNumber = lstOIDNumber.Value
  IPAddress = cmbIPAddress.Column(1)

' Check if we are dealing with null data

  If IPAddress = "" Then
    ShowError ("No IP Address Selected")
    Exit Sub
  End If
  If OIDNumber = "" Then
    ShowError ("No OID Value Selected")
    Exit Sub
  End If

'AgentPort property defaults to 161.

  Manager1.AgentName = IPAddress
  Manager1.AgentPort = 161
'Get the OID Information for the agent using the AgentVariable property

  Set Value = Manager1.AgentVariable(OIDNumber)
  List1.AddItem Value.Value

Exit Sub

OnError: ' Any error jumps here
  ShowError ("Error #" + CStr(Err.Number) + ": " + Err.Description)
End Sub
Jason Farrar (Admin)

From: USA
Posts: 223
Member Since: 07/24/07

Extra Support Options
Custom Application Development

posted January 21, 2009 10:15 AM

What is the value of lstOidNumber.Value? The error message means that you are requesting a valu from the agent but the agent is saying there is no value to at the requested location. This usually occurs when an OID is requested without it's cell identifier. Ex:

The OID for SysName is: however if you request the value with then you should get the same error that you report below. You would have to request the value with in order to retrieve the actual value.
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