Windows

Windows VPS stops at random

Usually a licensing clock, Windows Update reboot, or a full disk — not a haunted hypervisor.

If a Windows guest powers off by itself, check the guest before blaming the host.

Evaluation expired

This is the most common cause of a Windows guest that powers itself off.

Command

slmgr /dlv

If the eval ended, rearm or apply a key.

Windows Update can reboot overnight. Change active hours or install updates yourself in a maintenance window.

A filled C: volume makes services fail and sometimes look like a crash. Clean logs, pagefile, and user profiles.

If RAM is exhausted the guest will thrash and RDP will drop. Upgrade the plan or close leaky processes.

Grab Event Viewer System log around the timestamp and attach it to a ticket with the service ID.