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Knowledge document #242

Error message "...limited or no connectivity"

An exclamation point is shown next to the symbol for the LAN or Wi-Fi connection to the FRITZ!Box in the Windows taskbar (SysTray) on a Windows computer and the notification "... limited or no connectivity" is displayed. You cannot open the FRITZ!Box user interface (http://fritz.box) or access the internet over the FRITZ!Box with this computer.

Simply proceed as described below. After each measure, check whether the problem is solved.

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

1 Enabling the FRITZ!Box's DHCP server

Perform the following steps on a different device connected to the FRITZ!Box:

Important:If you cannot access the FRITZ!Box with any device, proceed as described in the guide FRITZ!Box user interface cannot be opened.

  1. Call up the address http://169.254.1.1 in a web browser.
  2. Click "Home Network" and then "Network".
  3. Click on the "Network Settings" tab.
  4. Click "Additional Settings" in the section "LAN Settings" to display all of the settings.
  5. Click the "IPv4 Settings" button.
  6. Enable the DHCP server and define the range from which the FRITZ!Box assigns IP addresses.

    Note:The FRITZ!Box has the IP address 192.168.178.1 (subnet mask 255.255.255.0) and assigns IP addresses from xxx.20 to xxx.200 in the factory settings.

  7. Click "Apply" to save the settings.

2 Configuring the firewall

The following step is only necessary if firewall software is installed on the computer:

  1. Configure the firewall on the computer so that it allows connections from the computer to the FRITZ!Box. Refer to the manufacturer of the firewall for information on how to set it up, for example consult the manual.

3 Checking the LAN connection to the FRITZ!Box

If you are experiencing connectivity problems with LAN connections, this may be caused by faults in the cabling, energy-saving functions, or intermediary devices such as hubs/switches, powerline devices, or LAN/Wi-Fi converter. Therefore, check the computer's LAN connection:

  1. LAN connection to FRITZ!Box cannot be established
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