Digi Neo Com Port disabled in windows device manager after reboot ?

Digi Neo Port disabled in windows device manager after reboot. The problem is random and seems to appear after a long use.

What version of Windows?

What driver version?

Windows Server 2012 R2, Digi v.9.6.69.
Thank you !

As far as we know, windows can disable a device when there is a lack of power. Do you know how we can resolve that kind of problem with Digi Neo Pci-e ?
Thank you very much !