Enable Intel TCO watchdog timer on Proxmox VE
2 October 2025
Sometimes, servers can become unresponsive and you may be unable to connect to them, particularly when they are overloaded. For such cases, most Intel PCs include a watchdog timer in the event the computer gets stuck and needs to do a hard reboot. Proxmox, however, disables all hardware watchdog drivers and enables softdog by default. In this short post, we'll quickly enable and test the Intel TCO watchdog in Proxmox.
