06/21/2018 20:48:06 UPS critical event: Low Battery. 06/21/2018 20:48:06 Shutdown sequence started on Hosts 192.168.139.6, 192.168.139.4 in response to UPS critical event: Low Battery. 06/21/2018 20:48:07 Starting Maintenance Mode Task on Host 192.168.139.6. 06/21/2018 20:48:07 Shutting down VMs on Host 192.168.139.6. 06/21/2018 20:48:08 Starting Maintenance Mode Task on Host 192.168.139.4. 06/21/2018 20:48:08 Shutting down VMs on Host 192.168.139.4. 06/21/2018 20:48:09 Available runtime has been exceeded. 06/21/2018 20:50:08 Exit maintenance mode on Host 192.168.139.4. 06/21/2018 20:50:08 Host 192.168.139.6 has successfully entered maintenance mode. 06/21/2018 20:50:09 Shutting down vCenter Server VM Windows_MANAGE. 06/21/2018 20:50:09 Maintenance Mode Task cancelled on Host 192.168.139.4 as VCSA VM is shutting down. 06/21/2018 20:51:09 Cannot connect to vCenter Server. PowerChute may not be able to issue commands to Virtual Machines or Hosts. MISSING MESSAGE: shutting down host x.139.4 MISSING MESSAGE: shutting down host x.139.6 (No idea why this doesn't show in this log) 06/21/2018 21:09:43 PowerChute is attempting to open UDP port 3052. 06/21/2018 21:09:43 PowerChute successfully opened UDP port 3052. 06/21/2018 21:10:10 Communication has been established. 06/21/2018 21:10:10 Battery is discharged. 06/21/2018 21:10:12 PowerChute is attempting to open TCP port 6547. 06/21/2018 21:10:12 PowerChute is attempting to open TCP port 3052. 06/21/2018 21:10:12 PowerChute Network Shutdown version 4.2.0 monitoring started. 06/21/2018 21:10:12 PowerChute successfully opened TCP port 3052. 06/21/2018 21:10:12 PowerChute successfully opened TCP port 6547. 06/21/2018 21:11:00 Cannot connect to vCenter Server. PowerChute may not be able to issue commands to Virtual Machines or Hosts. 06/21/2018 21:11:00 Available runtime has been exceeded. 06/21/2018 21:15:51 vCenter Server is accessible. PowerChute will be able to issue commands to Virtual Machines or Hosts.