Danke Tealk. Leider hat es nicht geholfen.
Nur die Fehlermeldung hat sich geändert
activating and using 'proxthin:vm-104-state-suspend-2021-07-19' as vmstate
TASK ERROR: start failed: command '/usr/bin/kvm -id 104 -name Win10 -no-shutdown -chardev 'socket,id=qmp,path=/var/run/qemu-server/104.qmp,server,nowait' -mon 'chardev=qmp,mode=control' -chardev 'socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5' -mon 'chardev=qmp-event,mode=control' -pidfile /var/run/qemu-server/104.pid -daemonize -smbios 'type=1,uuid=62acae4a-1da9-44ee-83c6-5ebee0a5d88d' -smp '3,sockets=1,cores=3,maxcpus=3' -nodefaults -boot 'menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg' -vnc unix:/var/run/qemu-server/104.vnc,password -no-hpet -cpu 'kvm64,enforce,hv_ipi,hv_relaxed,hv_reset,hv_runtime,hv_spinlocks=0x1fff,hv_stimer,hv_synic,hv_time,hv_vapic,hv_vpindex,+kvm_pv_eoi,+kvm_pv_unhalt,+lahf_lm,+sep' -m 5000 -device 'pci-bridge,id=pci.1,chassis_nr=1,bus=pci.0,addr=0x1e' -device 'pci-bridge,id=pci.2,chassis_nr=2,bus=pci.0,addr=0x1f' -device 'vmgenid,guid=1ddbc3b5-5849-4679-a06c-798b83f6469b' -device 'piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2' -device 'usb-tablet,id=tablet,bus=uhci.0,port=1' -device 'VGA,id=vga,bus=pci.0,addr=0x2,edid=off' -chardev 'socket,path=/var/run/qemu-server/104.qga,server,nowait,id=qga0' -device 'virtio-serial,id=qga0,bus=pci.0,addr=0x8' -device 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0' -device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' -iscsi 'initiator-name=iqn.1993-08.org.debian:01:b0b310f9c1f5' -drive 'file=/mnt/pve/QNAP/template/iso/virtio-win-0.1.185.iso,if=none,id=drive-ide0,media=cdrom,aio=threads' -device 'ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0' -drive 'file=/mnt/pve/QNAP/template/iso/Win10_20H2_German_x64.iso,if=none,id=drive-ide2,media=cdrom,aio=threads' -device 'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=101' -device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' -drive 'file=/dev/proxvg/vm-104-disk-0,if=none,id=drive-scsi0,format=raw,cache=none,aio=native,detect-zeroes=on' -device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100' -netdev 'type=tap,id=net0,ifname=tap104i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown' -device 'e1000,mac=FE:08:23:80:BD:8C,netdev=net0,bus=pci.0,addr=0x12,id=net0' -rtc 'driftfix=slew,base=localtime' -machine 'type=pc-i440fx-5.2+pve0' -global 'kvm-pit.lost_tick_policy=discard' -loadstate /dev/proxvg/vm-104-state-suspend-2021-07-19' failed: got timeout