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Can the FRITZ!Box USB remote connection be used over VPN?The FRITZ!Box remote connection software cannot be used to access USB devices connected to a remote FRITZ!Box over a VPN connection. The FRITZ!Box USB remote connection communicates with the FRITZ!Box via multicast and broadcast messages that are only transmitted within a local IP network. You therefore cannot use the FRITZ!Box USB remote...

FRITZ!Box reports "The dynamic DNS update was successful, but an error occurred [...]"It is not possible to access the FRITZ!Box or devices in the home network via the dynamic DNS domain name. One of the following error messages is displayed in the event log of the FRITZ!Box: "Dynamic DNS error: The specified domain name cannot be resolved despite a successful update." "Dynamic DNS error: The...

Installation does not start when the "USB Remote Connection software" link is clickedThe FRITZ!Box USB Remote Connection software does not let you install it using the link "USB Remote Connection software" in the FRITZ!Box user interface. Cause The web browser settings are preventing the pop-up window for installing the software from opening automatically. Adjusting the web browser settingsIf you...

Network devices are not displayed over VPN connectionAlthough a VPN connection is established, computers, NAS systems, and other devices in a remote FRITZ!Box network are not displayed (for example in the Windows Explorer under "Network").Devices cannot be displayed automaticallyOperating systems like Windows or macOS cannot automatically detect and display computers and other devices in remote...

Enabling energy-saving mode for USB hard drivesThe FRITZ!Box can enable energy-saving mode (standby) for USB hard drives connected to it when they are idle.Requirements / Restrictions The USB hard drive must support energy-saving mode. The USB remote connection function is not enabled for USB storage devices (under "Home Network > USB / Storage > USB Remote Connection" in the user interface)....

Maximum number of simultaneous IP connectionsIn router mode, the FRITZ!Box manages all IP connections to the internet so that it can forward responses from remote sites to the correct devices in the home network. The number of simultaneous IP connections is not limited by the FRITZ!Box. Since the maximum number of IP connections depends on the usage of the FRITZ!Box's memory, in practice it can...

Configuring a firewall for FRITZ!VPNThe FRITZ!VPN software allows you to establish a secure VPN (Virtual Private Network) connection over the internet to your FRITZ!Box and access all of the devices and services in the home network of your FRITZ!Box. If the computer with FRITZ!VPN is protected by a firewall on the computer or an upstream router, you may have to open ports and enable IP protocols...