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    PVE is killing my WinServer2025 VMs

    physical cpu host ? vcpu type VM ?
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    Proxmox VE 8.4.14 and Virtualization-Based Security (VBS)

    I have no experience with VBS , as I disable it anywhere (VM and, even on baremetal to not feel the sluggish )
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    [SOLVED] Kimsufi (KS-11) - Windows Server 2016 VM has no internet

    If you made manual changes directly to the /etc/network/interfaces file, you can apply them by running ifreload -a from the docs : https://pve.proxmox.com/wiki/Network_Configuration
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    [SOLVED] Kimsufi (KS-11) - Windows Server 2016 VM has no internet

    post your config to dig out the problem.
  5. G

    Proxmox VE 8.4.14 and Virtualization-Based Security (VBS)

    baremetal VBS, not nested VBS, that's the whole point.
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    Proxmox VE 8.4.14 and Virtualization-Based Security (VBS)

    Not the oldest, but seems borderline. try with mitigations=off try with another hypervisor
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    [SOLVED] Kimsufi (KS-11) - Windows Server 2016 VM has no internet

    1/ Firewall is not related as iptables PREROUTING bypass firewall. 2/ open 3389 publicly is not recommended as bots will try thousands credentials per seconds.
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    PVE 9 and Windows 2025 Iso : error 0xc000014c /efi/microsoft/boot/bcd

    you hit this bug : (workaround is direct upload with scp / winscp) Post in thread 'Proxmox VE 9.0 ISO Upload Corrupts Some Windows Server 2025 ISOs' https://forum.proxmox.com/threads/proxmox-ve-9-0-iso-upload-corrupts-some-windows-server-2025-isos.169531/post-806405
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    Proxmox VE 8.4.14 and Virtualization-Based Security (VBS)

    VBS ( = nested virtualization) require modern hardware. What is your cpu model ?
  10. G

    PVE 9 and Windows 2025 Iso : error 0xc000014c /efi/microsoft/boot/bcd

    Use RTM iso, as Windows updates itself monthly, it makes no difference. ( I don't see anymore the point of refreshed media, as each month, it'll outdated)
  11. G

    Server-Disk I/O delay 100% during cloning and backup

    if these are Samsung QVO, they are not suitable at all. QLC drives write very slow after cache (which is different from DRAM cache). There is plenty topics on the forum about it, mainly with ZFS because it reveals faster the slowness.
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    Server-Disk I/O delay 100% during cloning and backup

    no ZFS ?
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    Server-Disk I/O delay 100% during cloning and backup

    it's expected as they can't substain writes.
  14. G

    Problems with some VMs imported from ESXi

    Windows may require to boot once into Safemode to "re-enable" standard sata controller driver.
  15. G

    W2025 virtio NIC -> connection drop outs

    you need to find what to fix, as it's not virtio nic problem.
  16. G

    Wireguard Client in LXC: SSL 525 Error (Cloudflare) - Config Works on Other Systems

    Sorry, I've no experience with Cloudflare, but I don't see where Proxmox Ve can be the problem.
  17. G

    Persistent VM instability with Ryzen 9 9950X3D and Proxmox 8/9

    what about CPU usage inside VM ? is there a process high CPU usage ?
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    Wireguard Client in LXC: SSL 525 Error (Cloudflare) - Config Works on Other Systems

    how lxc2 can access wireguard server ?
  19. G

    W2025 virtio NIC -> connection drop outs

    have you tried without Multiqueue to dig out ?
  20. G

    W2025 virtio NIC -> connection drop outs

    so title shoud be "windows virtio version 285 connection drop outs" try without setting Multiqueue
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