Guide to PowerChute Network Shutdown 4.4.3: Features and Download
| Problem | Solution | | :--- | :--- | | | Test SNMP connectivity using snmpwalk from the server. Ensure the APC NMC firmware is at least v3.7.2. | | PCNS service crashes on Windows Server 2016 | Install KB4474419 (SHA-2 code signing support) before PCNS 4.4.3. | | ESXi VIB installation fails | Run esxcli software vib install -v /path/to/PCNS.vib with --no-sig-check because the v4.4.3 certificate may be expired. | | Virtual machines not shutting down | In vSphere, ensure the PCNS service account has “Virtual machine interaction” privileges. | | Email notifications not sending | PCNS 4.4.3 uses outdated SSL/TLS defaults. Use a local SMTP relay instead of Office 365 or Gmail (requires TLS 1.2+). | powerchute network shutdown 4.4.3 download