I have the following code as listed below, no issues.
[FONT=Calibri][SIZE=12px][COLOR=#000000]Private Sub Worksheet_Change(ByVal Target As Range)[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]Dim sh2 As Worksheet, a As Long, lr2 As Long[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]Set sh2 = Sheets("Sheet 5")[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]lr2 = sh2.Cells(Rows.Count, 1).End(xlUp).Row[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]If WorksheetFunction.CountIf(sh2.Range("A1:A" & lr2), Cells(Target.Row, Target.Column).Value) <> 0 Then[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]Select Case Target.Column[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]Case 1, 2, 3, 4, 5, 6, 7[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]a = sh2.Columns(1).Find(Target.Value, , , 1).Row[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]With Cells(Target.Row, Target.Column)[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]If Not .Comment Is Nothing Then .Comment.Delete[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000].AddComment[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000].Comment.Text Text:=sh2.Cells(a, 2).Value & vbLf & _[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]sh2.Cells(a, 3).Value & vbLf & _[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]sh2.Cells(a, 4).Value & vbLf & _[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]sh2.Cells(a, 5).Value & vbLf & _[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]sh2.Cells(a, 6).Value & vbLf & _[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]sh2.Cells(a, 7).Value[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]End With[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]Case Else[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]End Select[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]End If[/COLOR][/SIZE][/FONT]
[FONT=Calibri][SIZE=12px][COLOR=#000000]End Sub
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[SIZE=13px]Problem is I want this code to refer to more than one sheet, for example sheet 5 and sheet 6. Any Suggestions?[/SIZE]