FRITZ!Box 6490 Service - Knowledge Base

FRITZ!Box 6490 Service

FRITZ!Box reports "FRITZ!Box does not have an internal clock"

Certain FRITZ!Box functions cannot be configured. The message "FRITZ!Box does not have an internal clock" is displayed on the corresponding page.

Note:The configuration procedure and notes on functions given in this guide refer to FRITZ!OS 7 or later; they may differ or not be available with older FRITZ!OS versions. You can find the version of FRITZ!OS on the "Overview" page of the FRITZ!Box user interface.

Setting up the time server

  1. Click "Home Network" in the FRITZ!Box user interface.
  2. Click "Network" in the "Home Network" menu.
  3. Click on the "Network Settings" tab.
  4. In the "Time Synchronization" section, enter the NTP time server on the internet that the FRITZ!Box should synchronize its time with. If the section is not displayed, enable the Advanced View first.

    Note:Normally it is not necessary to change the preconfigured NTP time server 0.europe.pool.ntp.org. You can find a list of alternative NTP time servers here.

  5. Enable the option "Making FRITZ!Box available as a time server in the home network".
  6. Click "Apply" to save the settings.