Adding a Public IPv4 Address to an IONOS Windows Server

For Virtual Private Server (VPS), Cloud Server, and Dedicated Server packages using Microsoft Windows Server 2019 or Microsoft Windows Server 2022

To change your server's network configuration to use an additional public IPv4 address, follow the steps below.

  • You selected Windows Server 2019 Standard (Desktop Experience), Windows Server 2019 Datacenter (Desktop Experience), Windows Server 2022 Standard ( Desktop Experience), or Windows Server 2022 Datacenter ( Desktop Experience) during installation.

  • You have assigned an additional public IPv4 address to your server in the Cloud Panel.

  • You have logged in to your server.

  • Open the Control Panel.

  • Click Network and Internet > Network and Sharing Center > Change Adapter Settings.

  • Right-click on the network adapter.

  • Click Properties.

  • Double-click Internet Protocol Version 4 (TCP / IPv4).

Please Note

To keep the current main IP address, you must first enter it as a static address.

  • In the IP Address: field, type the current main IP address.

  • In the Subnet mask: field, type

  • In the Default gateway: field, type

  • In the Preferred DNS Server field, type: Alternatively, you can enter the name server

  • Click Advanced.

  • In the IP Addresses area, click Add.

  • In the IP Address: field, type the additional IP address.

  • In the Subnet mask: field, type

  • Click Add.

  • Confirm the remaining open dialogs with OK.

Please Note

You may receive a warning that the gateway is in a different subnet. You can ignore this warning. In this case, simply confirm with YES that the configuration is to be saved.

The change is applied. This may cause a brief interruption of the Remote Desktop connection.

Please Note

If the server is not reachable via the main IP address or the additional public IP address after the changes, you can log in to the server using the KVM console.