When checking the [Monitor] tab -> [Events] for the virtual machine in the vSphere Client, "vim.event.vmReconfiguredEvent" is observed every minute with similar to the following message:
config.extraConfig("machine.id").value: "vdi.broker.emptySessionTimeout=1;vdi.broker.useSysprep=0;...
VMware vCenter Server
Omnissa Horizon
Contact Omnissa support.
Since these reconfigure tasks are initiated by Horizon, the initial investigation needs to be conducted from the Horizon side.