ANSYS_MMadore
Ansys Employee

This is usually because the virtual desktop has shutdown timers specified. 

To view, disable, or adjust shutdown timers, select Timers from the drop-down in the virtual desktop tile:

https://ansysproducthelpqa.win.ansys.com/account/secured?returnurl=/Views/Secured/gateway/v000/en/gateway_ts/vm_disconnect.html?