EventLog parser (WMI) and export to Excel vbscript

Set objFSO = CreateObject("Scripting.FileSystemObject")
 
'Path and name of the Excel file
FileExport = "d:tempyourfile.xls"
'Name of your management Server (Must have MFCOM SDK if not a XenApp Server
CtxFarms = Array("XenappManagementserver.domain.inc")
'Folder in the XenApp Management Console, must begin with Servers/ ex : Servers/APPLICATION1
TargetPool = "Servers/ApplicatioForlder"
 
If (objFSO.FileExists(FileExport)) Then
	objFSO.DeleteFile(FileExport)
End If
 
Const CONVERT_TO_LOCAL_TIME = False
Set dtmStartDate = CreateObject("WbemScripting.SWbemDateTime")
Set dtmEndDate = CreateObject("WbemScripting.SWbemDateTime")
DateToCheck = CDate(Date)
'Number of day back to check here 7
dtmStartDate.SetVarDate DateToCheck - 7, CONVERT_TO_LOCAL_TIME
dtmEndDate.SetVarDate DateToCheck, CONVERT_TO_LOCAL_TIME
 
Set objExcel = CreateObject("Excel.Application")
objExcel.Visible = True
Set objWorkbook = objExcel.Workbooks.Add
Set objRange = objExcel.Range("A1","Z1")
objRange.Font.Size = 12
objRange.Font.Bold = True  
 
objExcel.Cells(1, 1).Value = "Server"
objExcel.Cells(1, 2).Value = "Event Source"
objExcel.Cells(1, 3).Value = "Event Type"
objExcel.Cells(1, 4).Value = "Event ID"
objExcel.Cells(1, 5).Value = "Event Message"
objExcel.Cells(1, 6).Value = "Event Date"
 
lign = 2
 
For i = 0 To UBound(CtxFarms)
	Set theFarm = CreateObject("MetaFrameCOM.MetaFrameFarm", "" & CtxFarms(i))
	theFarm.Initialize 1
 
	For Each aServer In theFarm.Servers
		If aServer.ParentFolderDN = TargetPool Then
			objExcel.Cells(lign, 1).Value = aServer.ServerName
			TargetSource = "Application"
			Set objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!" & aServer.ServerName & "rootcimv2")
 
'This line is to query the Security event log
'			Set colLoggedEvents = objWMIService.ExecQuery("Select * from Win32_NTLogEvent Where Logfile = 'Security' and SourceName = '" & TargetSource & "' and Type = 'Error' and TimeGenerated >= '" & dtmStartDate & "' and TimeGenerated < '" & dtmEndDate & "'")	

'This line is to query the System event log
'			Set colLoggedEvents = objWMIService.ExecQuery("Select * from Win32_NTLogEvent Where Logfile = 'System' and SourceName = '" & TargetSource & "' and Type = 'Error' and TimeGenerated >= '" & dtmStartDate & "' and TimeGenerated < '" & dtmEndDate & "'")	

'This line is to query the Application event log
			Set colLoggedEvents = objWMIService.ExecQuery("Select * from Win32_NTLogEvent Where Logfile = 'Application' and SourceName = '" & TargetSource & "' and Type = 'Error' and TimeGenerated >= '" & dtmStartDate & "' and TimeGenerated < '" & dtmEndDate & "'")
						For Each objEvent in colLoggedEvents
'                                   Change here to find event using a keyword in the main message
				MyPos = Instr(1, ucase(objEvent.Message), UCase("KeyWord"))
				If MyPos > 0 Then
					objExcel.Cells(lign, 1).Value = aServer.ServerName
					objExcel.Cells(lign, 2).Value = objEvent.SourceName
					objExcel.Cells(lign, 3).Value = objEvent.Type
					objExcel.Cells(lign, 4).Value = objEvent.EventCode
					objExcel.Cells(lign, 5).Value = objEvent.Message
					objExcel.Cells(lign, 6).Value = WMIDateStringToDate(objEvent.TimeGenerated)
					lign = lign + 1
				End If
			Next
		End If
	Next
Next
 
objExcel.ActiveWorkbook.SaveAs FileExport
objExcel.Quit
 
EnvoiMail()
 
Wscript.Quit
 
Function WMIDateStringToDate(dtmInstallDate)
    WMIDateStringToDate = CDate(Mid(dtmInstallDate, 5, 2) & "/" & Mid(dtmInstallDate, 7, 2) & "/" & Left(dtmInstallDate, 4) _
            & " " & Mid (dtmInstallDate, 9, 2) & ":" & Mid(dtmInstallDate, 11, 2) & ":" & Mid(dtmInstallDate, 13, 2))
End Function
 
Function EnvoiMail()
	Const SendUsingPort = 2
 
	' Set the variables used to send the message
	SMTPServer = "smtp.server.com"
	FromName = "administrator@admin.com"
	ToName = "me@admin.com" 
 
	' Setup the configuration for the message to use
	Set Conf = CreateObject("CDO.Configuration")
	With Conf.Fields
	    .Item("") = SendUsingPort
	    .Item("") = SMTPServer
	    .Update
	End With
 
	'Setup the message
	Set Message = CreateObject("CDO.Message")
	With Message
	Set .Configuration = Conf
 
    'Set email adress, subject And body
    	.To = ToName
    	.Subject = "Email Subject"
    	.TextBody = "Hello World !"
    	.From = FromName
    	.AddAttachment FileExport
    	.Send
	End With
 
End Function