How To Fix iVentoy Issues (Not Opening, Not Booting, and Display Issue)

Configuration mismatches in iVentoy can cause client machines to freeze, fail to boot, or display errors. This guide provides clear solutions to the most common problems encountered when running iVentoy PXE Boot.

Issue 1: iVentoy Fails to Launch on Windows

• Cause: Missing runtime dependency.
• Fix: Download and install the latest Microsoft Visual C++ Redistributable (x64). iVentoy requires these libraries to run backend processes.

Issue 2: Clients Freeze at Requesting IP or Fail to Boot

• Cause: DHCP conflicts, firewall blocks, or NIC incompatibilities.

1. Fix DHCP Conflicts

• In the iVentoy Web GUI, go to Configuration and ensure your DHCP Server Mode matches your network:
• Internal: Use if no other DHCP server exists. Ensure IP pool does not overlap with router.
• ProxyNet: Use if your router already handles IPs. iVentoy delivers PXE boot paths without disrupting the network.
• Toggle the Secondary DHCP option if required. ProxyNet is recommended for most third-party DHCP setups.

2. Switch the UEFI / Legacy Boot File

• If the default boot file fails, change to ipxe.efi or ipxe.pxe for better hardware and NIC driver compatibility.

3. Open Firewall Ports

• Ensure firewall allows PXE traffic. Required ports:
• 67/68 UDP – DHCP Server Port
• 4011 UDP – DHCP Proxy Server Port (Proxy/ProxyNet mode)
• 69 UDP – TFTP Server Port
• 26000 TCP – iVentoy GUI HTTP Server Port
• 16000 TCP – iVentoy PXE Service HTTP Server Port
• 10809 TCP – Network Block Device (NBD) Server Port
• 3260 TCP – iSCSI Server Port
• 12049 TCP – NFS Server Port
• Note: Port 68 is outgoing; others are incoming.

Issue 3: Display Glitches or Blank Screens in UEFI Mode

• Cause: Graphics driver variations when loading ISOs.
• Fix: In ISO Management, select the problematic ISO and adjust the UEFI Resolution Lock. Set it to a standard resolution like 1024x768 to stabilize display output.

Essential Checklist Before Booting

• Disable Secure Boot: iVentoy will not boot with Secure Boot enabled.
• Network Connection: Ensure host server and client machine are on the same physical subnet or VLAN.

By following these troubleshooting steps, you can resolve iVentoy launch issues, DHCP conflicts, firewall blocks, and display glitches. Proper configuration ensures smooth PXE booting and reliable OS deployment across your network.