Note: Schneider Electric also provides guidance/patches for CVE issues affecting 4.4.x and recommends upgrading to 5.x where appropriate.
is the industry-standard software from Schneider Electric designed to work seamlessly with APC UPS systems to protect against data corruption and hardware damage [1].
. If you must use this specific version for legacy compatibility, you should verify any downloaded files against official integrity guides: Schneider Electric SHA-256 Hash Virtual Appliance PCNS_en_4.4.3.ova
If your hardware supports it, upgrade to PCNS 5.1 or later. However, if you are managing a legacy lab, production line, or archival server, PCNS 4.4.3 remains a reliable, battle-tested solution. powerchute network shutdown 4.4.3 download
PowerChute Network Shutdown 4.4.3 is a dedicated software release designed to communicate over the network with APC Network Management Cards (NMC1, NMC2, and NMC3). When a critical power event occurs—such as a blackout or low battery condition—the NMC sends a signal to the PCNS software installed on your servers.
Records power events, system warnings, and shutdown sequences for post-incident analysis. Operating System and Hypervisor Compatibility
Version holds a specific place in this timeline. While it is not the latest release, it remains a critical download for administrators maintaining older hardware environments. If you must use this specific version for
: Use net stop pcns1 (Windows) or systemctl stop PowerChute (Linux).
While newer versions like 5.x are now available, version 4.4.3 was a pivotal release specifically optimized for VMware environments.
If you already have version 4.4.1, 4.4.2, or 4.4.3 installed, it is recommended to apply the Apache vulnerability patch to address CVE-2022-42889. Key Features in v4.4.3 When a critical power event occurs—such as a
Provides improved management for vSAN cluster hosts, including proper handling of maintenance modes and VM prioritization.
Administrators can define the exact order in which applications, databases, VMs, and physical hardware shut down and restart.
On the product page, look for the "Software/Firmware" tab.