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Setting up a VPN to the FRITZ!Box in Windows (FRITZ!VPN)

With the FRITZ!VPN software you can establish a secure VPN (Virtual Private Network) connection over the internet from your Windows computer to your FRITZ!Box. This allows you to access your FRITZ!Box and devices in your home network with your computer even when you are away from home.

Requirements / Restrictions

  • Windows 8.1 / 8 / 7 (64-bit or 32-bit) is installed on the computer. (For Windows 10, a German version of FRITZ!VPN must be used).

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 Preparations

Downloading and installing FRITZ!VPN

  1. Open our VPN service page in a web browser.
  2. Download the FRITZ!VPN software.

    Important:Separate versions of FRITZ!VPN are available for Windows 10 (64-bit) and Windows 8.1 / 8 / 7 (64-bit and 32-bit). The version of FRITZ!VPN for Windows 10 (64-bit) is currently only available in German and can be downloaded from

  3. Install FRITZ!VPN on the computer that is to establish a VPN connection to the FRITZ!Box.

Downloading and installing "Configure FRITZ!Box VPN Connection"

The Configure FRITZ!Box VPN Connection software allows you to set up a VPN connection quickly and easily. All of the security settings are automatically generated by the software and written to configuration files, which then only need to be imported into the VPN remote sites.

Note:The Configure FRITZ!Box VPN Connection software is available for computers with Windows 10 / 8 / 7 (64-bit and 32-bit).

  1. Open our VPN service page in a web browser.
  2. Download the Configure FRITZ!Box VPN Connection software and install it.

Setting up dynamic DNS

  1. Set up dynamic DNS in the FRITZ!Box.

Adjusting the FRITZ!Box's IP network

Both ends of the VPN connection must have IP addresses in different IP networks. As soon as the computer is connected to a router (for example another FRITZ!Box) that uses the same IP network as your FRITZ!Box, VPN communication is no longer possible.

Note:All FRITZ!Boxes use the IP network in the factory settings.

Set up an IP address to your FRITZ!Box that differs from the IP addresses of the routers you use to connect to the FRITZ!Box, for example (subnet mask

  1. Click on "Home Network" in the FRITZ!Box user interface.
  2. Click on "Network" in the "Home Network" menu.
  3. Click on the "Network Settings" tab.
  4. Click on the "IPv4 Addresses" button. If the button is not displayed, enable the Advanced View first.
  5. Enter the desired IP address and subnet mask.
  6. Click on "OK" to save the settings.

2 Creating a file with VPN settings

  1. Start the Configure FRITZ!Box VPN Connection software and click "New".
  2. Select the option "Configure VPN connection for one user" and click "Next".
  3. Select the option "Computer with FRITZ!VPN" and click "Next".
  4. Enter the email address of the user who intends to connect to the FRITZ!Box via VPN and click "Next".
  5. Enter the dynamic DNS domain name of the FRITZ!Box ( in the "Name" field and click "Next".
  6. If you did not change the FRITZ!Box's IP settings (IP address, subnet mask enable the option "Apply factory settings of the FRITZ!Box for the IP network".
    • If you changed the FRITZ!Box's IP settings, assign the computer an IP address in the FRITZ!Box network:
      1. Enable the option "Use a different IP network".
      2. Enter the IP network ( and the subnet mask of the FRITZ!Box. Do not enter the FRITZ!Box's IP address (

        If the FRITZ!Box has the IP address, enter as the IP network and select the subnet mask "24 -".

      3. Adjust the "IP address of the user in the network of the selected FRITZ!Box" to the IP network of the FRITZ!Box.

        Important:The IP address of the user may not be in the range used by the DHCP server of the FRITZ!Box ( to in the factory setting), and it may not be used for other VPN connections.

  7. If you also want all web requests from the computer to be forwarded to the FRITZ!Box via the VPN connection when a VPN connection is active, enable the option "Send all data over the VPN tunnel".

    Note:This means you can use services such as email or online banking in public Wi-Fi hotspots just as securely as if you were directly connected to the FRITZ!Box via Wi-Fi at home.

  8. Click "Next" and "Finish".
  9. Now Configure FRITZ!Box VPN Connection creates the VPN settings and opens a Windows folder containing the file "fritzbox_[...].cfg" and a subfolder with the file "vpnuser_[...].cfg".

    Note:You can always open this folder if you select the dynamic DNS domain name of the FRITZ!Box in the Configure FRITZ!Box VPN Connection software and click the "Explorer" button.

3 Importing the VPN settings into FRITZ!Box

4 Importing the VPN settings into FRITZ!VPN

  1. Open the FRITZ!VPN software from the Windows start menu and click "Next" or "File" and then "Import" in the software.
  2. Select the file "vpnuser_[...].cfg".
  3. Click "Open" and "Finish".

5 Establishing a VPN connection

  1. Establish an internet connection on the computer on which FRITZ!VPN is installed.
  2. Open the FRITZ!VPN software from the Windows start menu.
  3. Select the symbol with the dynamic DNS domain name of the FRITZ!Box.
  4. Click "Establish" to establish the VPN connection.