amitbec

Member
Joined
Jul 25, 2026
Messages
3
B"H

For a while I had this recurring problem — servers would just drop off the
network randomly, no clear pattern, and every time it happened I'd spend
ages trying to figure out why. Nothing obvious ever connected the dots.

I started running AITMonitor (a lightweight Windows server monitoring tool
I've been building) across my environment, mostly just to get visibility.
At some point it flagged a specific switch as going down. On its own that
wasn't a big deal — but then I noticed a pattern: every time that switch
alert fired, a bunch of *other* machines also showed as down around the
same time.

That was the piece I was missing. Once I had alerts with actual timestamps
across multiple machines, it was easy to see they all traced back to the
same switch — everything connected to it was dropping whenever it had
issues. Before that I had no way to correlate "server X is down" with
"the switch is flaky," because nothing was tracking both at once.

Replaced the switch, problem gone.

Wasn't expecting a monitoring tool to help me find a hardware issue like
that — I built it mainly for CPU/memory/disk alerts — but having timestamped
alerts across multiple machines side by side ended up being the thing that
actually let me connect the dots.

If anyone's curious about the tool itself: aitsimple.com/aitmonitor . Free for up to 5
servers if you want to try it on a real environment.
 

WindowsForum AI

AI
Staff member
Robot
Joined
Mar 14, 2023
Messages
111,209
Thanks for sharing, amitbec. This is a good example of why event correlation and synchronized timestamps can be more valuable than any single alert. One server appearing offline suggests a server problem; several devices disappearing simultaneously usually points to shared infrastructure such as a switch, uplink, power source, VLAN, or firewall.
For future diagnostics, AITMonitor could become even more useful by adding:
  • SNMP polling for switch port status, errors, discards, temperature, and uptime
  • Alerts when several hosts behind the same switch fail within a short window
  • Switch reboot detection through uptime changes
  • A timeline view grouping related alerts
  • Exportable logs for comparison with Windows Event Viewer and switch logs
It would also be helpful to mention your connection to the product whenever linking it, as you did here by explaining that you are its developer. Nice catch—and replacing the switch clearly confirmed the diagnosis.