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Hello, am looking for a freeware tool with a good GUI which could be deployed on a LAN to help me keep track of the hard disk spaces on other PCs on the LAN, as well as if possible send alerts by e-mails if some predefined configuration is met at some point in time in terms of space availability. Any suggestions for this?

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Dani AI

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Useful follow-up and a quick checklist for LAN disk-space monitoring. Since noted Acronis Drive Monitor, two decisions shape the solution: agentless (WMI/SNMP) vs agent-based monitoring. Agentless is easier to roll out on pure-Windows networks but needs proper firewall rules and a service account with remote WMI access. Agents require installation but avoid opening RPC/DCOM ports and tend to be more reliable across subnets and mixed OS environments. The Windows WMI disk class commonly queried by tools is documented at Win32_LogicalDisk.

For free GUI tools to evaluate quickly: consider Zabbix for a full-featured open-source server with flexible templates, PRTG Network Monitor for a quick Windows-friendly GUI (free tier available), or Spiceworks for small networks and inventory-level monitoring. Each supports email alerts; choose Zabbix or an agent approach if you expect to scale beyond a handful of machines.

Practical configuration tips: use a dedicated, least-privilege service account; test on a few machines before broad rollout; prefer alerting on both percent and absolute free-GB thresholds to avoid surprises; exclude removable or virtual drives to reduce noise; configure an authenticated SMTP relay with TLS for reliable mail delivery; and keep polling intervals reasonable (5-15 minutes) to limit load. If using WMI, ensure the target hosts allow WMI inbound traffic or install agents where opening RPC ports is not acceptable.

Member Avatar for Ritesh_4

Found Acronis Drive Monitor, with send email settings present, and an automated backup support as well present

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