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Update virtual-wan-faq.md
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articles/virtual-wan/virtual-wan-faq.md

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@@ -375,10 +375,6 @@ Yes. This option is currently available via PowerShell only. The Virtual WAN por
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The recommended Virtual WAN hub address space is /23. Virtual WAN hub assigns subnets to various gateways (ExpressRoute, site-to-site VPN, point-to-site VPN, Azure Firewall, Virtual hub Router). For scenarios where NVAs are deployed inside a virtual hub, a /28 is typically carved out for the NVA instances. However if the user were to provision multiple NVAs, a /27 subnet may be assigned. Therefore, keeping a future architecture in mind, while Virtual WAN hubs are deployed with a minimum size of /24, the recommended hub address space at creation time for user to input is /23.
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### Can you resize or change the address prefixes of a spoke virtual network connected to the Virtual WAN hub?
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No. This is currently not possible. To change the address prefixes of a spoke virtual network, remove the connection between the spoke virtual network and the Virtual WAN hub, modify the address spaces of the spoke virtual network, and then re-create the connection between the spoke virtual network and the Virtual WAN hub. Also, connecting 2 virtual networks with overlapping address spaces to the virtual hub is currently not supported.
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### Is there support for IPv6 in Virtual WAN?
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IPv6 isn't supported in the Virtual WAN hub and its gateways. If you have a VNet that has IPv4 and IPv6 support and you would like to connect the VNet to Virtual WAN, this scenario not currently supported.

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