Forum Discussion
Bypass LBFO Teaming deprecation on Hyper-V and Windows Server 2022
Starting with Windows Server 1903 and 1909, Hyper-V virtual switches on an LBFO-type network adapter cluster are deprecated (see documentation). The technology remains supported, but it will not e...
Thanks for the info - works well on Server 2022.
Server 2025 however will throw the following error when running the New-VMSwitch command:
WARNING: Parameter 'AllowNetLbfoTeams' is obsolete. Use EnableEmbeddedTeaming instead
New-VMSwitch : Failed while adding virtual Ethernet switch connections.
An LBFO team may not be attached to the Hyper-V Virtual Switch. If teaming is required, use the 'New-VMSwitch' to create a Switch Embedded Team (SET). For more information, please see: https://go.microsoft.com/fwlink/?linkid=2185083.
So this is no longer a viable option for Server 2025. If you want teaming, either do it in the VMs or at the Hyper-V level using SET.
Server 2025 however will throw the following error when running the New-VMSwitch command:
WARNING: Parameter 'AllowNetLbfoTeams' is obsolete. Use EnableEmbeddedTeaming instead
New-VMSwitch : Failed while adding virtual Ethernet switch connections.
An LBFO team may not be attached to the Hyper-V Virtual Switch. If teaming is required, use the 'New-VMSwitch' to create a Switch Embedded Team (SET). For more information, please see: https://go.microsoft.com/fwlink/?linkid=2185083.
So this is no longer a viable option for Server 2025. If you want teaming, either do it in the VMs or at the Hyper-V level using SET.