No iptables PREROUTING rule in host ? (because PREROUTING bypass firewall )
+ try with from another endpoint as current tcp established connection is kept.
is over WAN ?
PBS must be fast, because changed data in VM is blocked because need to be written to first to PBS.
There is "Fleecing" option on the PVE side to mitigate this.
@Falk R. made an "install.bat" script which use the devcon.exe Microsoft utility to create the phantom/fake scsi controller.
This allow booting directly in PVE with Virtio SCSI disk.
Just tried today.
Download the virtio win mod drivers ISO , the run "install.bat" , backup/clone to PVE. it's...