---
title: "WIZ107SR not found with Config tool"
url: "https://maker.wiznet.io/forum/11250"
markdown_url: "https://maker.wiznet.io/forum/11250/md"
type: "Forum topic"
category: "Serial-to-Ethernet & ConfigTool"
author: "MVelec"
created: "2015-08-30T07:09:28+09:00"
last_activity: "2017-05-04T08:36:53+09:00"
language: "en"
views: 1182
replies: 4
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# WIZ107SR not found with Config tool

## Question

Asked by MVelec on 2015-08-30 in Serial-to-Ethernet & ConfigTool.

Hi to all.
I have connected my WIZ107SR(only WIZ107SR, NOT entire EVB) only pin 1(Vcc), pin 12(GND) and RJ-45 ethernet cable. When I launched the config tool there is no manner to find the WIZ card. Is there some other pin to connect for enable the card? Obviously, after, i will connect the RS-232 pins to my circuit.
Thank you for your help
Best regards

## Replies

### Reply 1 by Edward, 2015-09-09

Hi.

You check RJ-45 Green & Yellow Link LED ?

If LED is on to turn on a fire wall.

Windows7)
Setting is control panel → Windows fire wall → Windows Turn off the firewall. → Off(not recommended) check

[![](https://maker.wiznet.io/forum_uploads/wiznet/original/1X/7307f906e14a01cb148fd92a5171c58ed632ec82.png) 1023×687 51.3 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/1X/7307f906e14a01cb148fd92a5171c58ed632ec82.png)

Thank you

### Reply 2 by irina, 2015-09-09

Hi MVelec.
Did you turn Windows firewall or Anti-virus program on?

First, I guess the firewall caused problem like you. If yes, please turn Firewall off and try re-Search using configuration tool.

[![](https://maker.wiznet.io/forum_uploads/wiznet/original/1X/0e1f9043204e55d664c5e634b07a141058d014a6.png) 928×606 48.6 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/1X/0e1f9043204e55d664c5e634b07a141058d014a6.png)

Second, If you use the Virtual machine on Windows (e.g., VirtualBox), Please disabled virtual network adapter for Virtual machines (e.g., VirtualBox Host-Only Network, and Etc.) or adjusted metric priorities for network adapters. There is a possibility that the problem occurs because of Metric priorities.

[![](https://maker.wiznet.io/forum_uploads/wiznet/original/1X/063dda91750ec10bcae1342b07eaa3c2482c6cb1.png) 805×260 33.5 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/1X/063dda91750ec10bcae1342b07eaa3c2482c6cb1.png)

Please refer to the below information.

> I guess it caused by priority of network adapters. (Metric) it can be seen using ‘route print’ command on windows command console (can be entered by using a ‘cmd’ command) Please Try adjusting each adapter’s ‘interface metric’ value in IP Settings tab (in Internet Protocol (TCP/IP) Properties).
>
> (notice: lower metric means higher priority of network adapters)
>
> Please refer to ‘How to change the interface metric on a network adapter’ in next link:
> [support.microsoft.com/kb/894564](http://support.microsoft.com/kb/894564)
> [support.microsoft.com/kb/299540](http://support.microsoft.com/kb/299540)

### Reply 3 by MVelec, 2015-09-22

Hi to all.
Thank you for your replies. Tomorrow i’ll try your suggestions.
Anyway i already tried to disable firewall and the yellow/green leds on RJ-45 are off
Best regards
Valentino

### Reply 4 by irina, 2015-09-22

Hi, Valentino.
Please request RMA to your dealer or distributor near you.
We can verifying the WIZ107SR module operations in headquarter for you.
Thanks.

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Source: https://maker.wiznet.io/forum/11250