-User defined routes with a 0.0.0.0/0 destination and NSGs on the GatewaySubnet **are not supported**. Gateways created with this configuration will be blocked from creation. Gateways require access to the management controllers in order to function properly. [BGP Route Propagation](https://docs.microsoft.com/azure/virtual-network/virtual-networks-udr-overview#border-gateway-protocol]) should be set to "Enabled" to ensure functionality of the gateway. If this is disabled, the gateway will not functionality.
0 commit comments