I suspect that the old VM is still running under old QEMU binary and needs a cold start.
Perhaps someone from Proxmox staff will confirm and will add this as a caveat.
Blockbridge : Ultra low latency all-NVME shared storage for Proxmox -...
We are pleased to announce the first stable release of Proxmox Virtual Environment v9.0 - immediately available for download!
The new version is based on the great Debian 13 "Trixie" but we're using a newer Linux kernel 6.14.8-2 as stable...
indeed. it's something else.
I don't think it's boot manager as we can see Windows Boot Manager in #9
Weird thing is VirtIO SCSI Driver offline installation was successful in #11 (so screenshots of Log are pointless) where in #9 not.
Try now...
it's not mandatory.
VirtIO SCSI driver cannot be "pre-installed", it's installed only within Windows running on PVE when a SCSI drive is present / attached.
That's why the recommended way is boot once with sata, to post install VirtIO SCSI driver...
Did a test right now with production level hardware (Epyc Gen4, many cores, much ram, 5 node cluster + Ceph 3/2 pool on NVMe drives, 25G networks and PBS with a 8 HDD raid10 + special device 74% full, nearly 15000 snapshots)...
https://forum.proxmox.com/threads/dhcp-server-issues.168876/post-786201
it's pointless.
"interfaces" means content of /etc/network/interfaces and please copy/paste into CODE tags.