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  1. Zyxel Support Campus EMEA
  2. Cybersecurity
  3. Series USG FLEX H

Series USG FLEX H

  • HA - High Availability (HA PRO)
    • Zyxel USG FLEX H Series [HA] - Replace the device or re-deploy HA (HA PRO)
    • Zyxel USG FLEX H Series [HA] - How to Pause Device HA (HA PRO)
    • Zyxel USG FLEX H Series [HA] - Device High Availability Enhancements (HA PRO)
    • Zyxel USG FLEX H Series [HA] - Virtual MAC Address Setting (HA PRO)
    • Zyxel USG FLEX H Series [HA] - Setup Device High Availability (HA PRO)
  • Zyxel Firewall H Series [Licensing] - Secure WiFi License for USG FLEX H Series
  • Zyxel USG FLEX H Series [Firewall] - How to Block HTTPS Websites Using Content Filtering and SSL Inspection
  • Zyxel USG FLEX H Series - WAN Trunk Load balancing for USG FLEX H series
  • Zyxel USG FLEX H Series [Firewall] - Internet access problem when first starting/initializing the device
  • Zyxel Firewall [VPN] - Why can't I establish a VPN connection after updating to macOS Sonoma
  • USG FLEX H Series [Firewall] - How to creating a Diagnostic File
  • USG FLEX H Series [Firewall] - Device Insight
  • USG FLEX H Series [Firewall] - Packet Capture
  • 2FA with REINER SCT Authenticator
  • Zyxel USG FLEX H Series [Firewall] - Protection Key Features Overview
  • Zyxel USG FLEX H [Firewall] - Bootup Status Introduction on USG FLEX H Series Firewall
  • Zyxel Virtual Server (Port Forwarding) [NAT] - how to configure Virtual Server (Port Forwarding) on the Zyxel USG Flex H Series firewall
  • Zyxel Firewall [NAT] - how to configure NAT 1 to 1 (Network Address Translation ) on the Zyxel USG Flex H Series firewall
  • Zyxel Firewall [NAT] - What is NAT (Network Address Translation)
  • USG FLEX H Series [Firewall] - Overview of CLI Commands for H Series
  • USG FLEX H Series [Firewall] - What’s New in uOS 1.20
  • USG FLEX H Series [Firewall] - reset or reboot the device and LED light indication your H Series Firewall
  • USG FLEX H Series [Firewall] - How to use the Geo-IP feature?
  • USG FLEX H Series [Firewall] - How to allow HTTPS Web GUI Access from WAN?
  • USG FLEX H Series [Firewall] - How to Configure IKEv2 Remote Access VPN with Apple MAC OS Sonoma native VPN client?
  • USG FLEX H Series [Firewall] - how to backup/restore a configuration file
  • USG FLEX H Series [Firewall] - Configure IPSec Site-To-Site VPN on USG FLEX H Series Firewall with dynamic IP
  • USG FLEX H Series [Firewall] - upgrade/update procedure
  • USG FLEX H Series [Firewall] - Configure IPSec Site-To-Site VPN on USG FLEX H Series Firewall with static IP
  • USG FLEX H Series [Firewall] - Right Console Cable and LED Indication
  • USG FLEX H Series [Firewall] - IPSec Site-to-Site VPN one Site is behind a NAT
  • USG FLEX H Series [Firewall] - VPN Clients Options
  • USG FLEX H Series [Firewall] - Comparison Operating System Feature Table ZLD 5.38 V.S. uOS 1.20
  • USG FLEX H Series [Firewall] - Licenses/Services Bundled with H Series Hardware
  • USG FLEX H Series [Firewall] - Initial Setup Wizard
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USG FLEX L2TP Android, Nebula License Migration, NAS326 Twonky Media Server
Warranty Expiration Date:
Model Name:
The Serial Number that you provided does not correspond to a Zyxel device. To create a Support or Warranty case, please ensure you enter the correct Serial Number.

If your Serial Number is still not matching with our device records, you can proceed with initiating a web support request by completing the form below, once you have successfully registered or logged in.
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Dear Valued Customer,

Your device was detected as a device purchased from an Internet Service Provider.

Please get in contact with your Internet Service Provider (ISP) for Support- or Warranty services.

If you are unsure about who your ISP is, please have a look at this article: Click here to view the article!

We were unable to verify the Support and Warranty status of your device using the provided Serial Number. If you purchased your device in North America, please submit a support request to the US support team here. This portal is exclusively for products and services sold in the EMEA region.
Please attach an invoice of your defective device(s) as proof of purchase.
Dear Zyxel Customer, We are currently experiencing issues with the Serial Number check, which may result in a timeout. Please try again later. In the meantime, you can sign in or continue using the options below without entering a Serial Number. Thank you for your understanding.