I got a new update "Cumulative Update for Windows 11 Version 24H2 for x64-based Systems (KB5066835) (26100.6899)" which seems to not be affected by this anymore.

I just reinstalled the update for testing and sure enough, the connection is broken again: PS C:\Users\axel> Get-NetAdapter -Name "Ethernet 3" Name InterfaceDescription ifIndex Status MacAddress LinkSpeed ---- -------------------- ------- ------ ---------- --------- Ethernet 3 HPE InfiniBa...

I'm not sure what causes it. It is with a ConnectX-5 card and i tried KB5065789 with the stock driver and with WinOF2, made no difference. Everything looked good, Get-SmbMultiChannelConnection showed RDMA True, but RDMA would not be used. StarNVMeoF_Ctrl was unable to discover the RDMA address from ...

FYI, after Windows Update installed KB5065789 Preview I couldn't get any RDMA connections to work anymore, neither NVMe-oF or SMB-Direct. I had to uninstall the update to get it working again.

FWIW the initiator works fine for me with ROCEv1 on ConnectX-3 (Non-Pro) cards between a Windows initiator and Ubuntu 24.04 target.