If you're keeping a log of responses, here's how it went for me:
2/7: I contacted vendor, they had not heard anything from SM but would reach out.
2/7 (later): Vendor heard back from SM that there is a recall exchange for this motherboard (A1SRM-2758F) and they will set up an advanced...
Our DC, dhcp, dns, NPS, ADCS server is running on a C2758. It's not our only DC, but it's the only physical one. I've already contacted our vendor and they're processing an RMA for us. Luckily they're sending us a board to swap out as an advance replacement.