excel vba ping list of computers - vba

Question

I am working on a project. My goal is, to ping all of the computers from an excel list, but can't figure out why it isn't working. I am quite new at this programming language, and I am sure that I miss out something, because I get the error message: Object required
so here is my code
the main:
Sub pingall_Click()
Dim c As Range
c = Target.Name
For Each c In Range("A1:N50")
If (Left(c, 1) = "C" Or Left(c, 1) = "T") And IsNumeric(Right(c, 6)) And Len(c) = 7 Then
c = sPing(c)
If c = "timeout" Then
MsgBox "timeout"
ElseIf c < 16 And c > -1 Then
MsgBox "ok"
ElseIf c > 15 And c < 51 Then
MsgBox "not ok"
ElseIf c > 50 And c < 4000 Then
MsgBox "big delay"
Else
MsgBox "error"
End If
End If
Next c
End Sub
The function:
Public Function sPing(sHost) As String
Dim oPing As Object, oRetStatus As Object
Set oPing = GetObject("winmgmts:{impersonationLevel=impersonate}").ExecQuery _
("select * from Win32_PingStatus where address = '" & sHost & "'")
For Each oRetStatus In oPing
If IsNull(oRetStatus.StatusCode) Or oRetStatus.StatusCode <> 0 Then
sPing = "timeout" 'oRetStatus.StatusCode
Else
sPing = sPing & vbTab & oRetStatus.ResponseTime & Chr(10)
End If
Next
End Function
I can get the result if I write sPing(""), but I want it to get the name of pc-s that are in the list.
This is just a test version of the script, I am testing it with one pc for now, that is why I use "MsgBox".
Thank you

Answer 1

The 2nd line inside the Sub pingall_Click() subroutine is the one throwing the Object Required error. i.e. the following line.
c = Target.Name
If you comment it out or delete it, it works. (I tried it.)
Also, you should not be assigning the return value from the function sPing back to c.
Because doing so will overwrite the name of the Server / IP address you have in the cell, since the forloop is looping over 1 cell at a time using the c variable.
So instead, assign it back to a new string variable, and then do whatever you want with it.