NSX upgrade precheck error - Error while checking free space on root partition and/or tmp partition on host

Products

• VMware NSX

Issue/Introduction

• You are running into below errors during NSX upgrade pre-checks:
  
  Error while checking free space on root partition on host (<fqdn of the esxi>, ######-a###-45e8-8##7-######256ee). Please check the configuration state of host and ensure that services are operating normally.
Error while checking free space on tmp partition on host (<fqdn of the esxi>, ######-a###-45e8-8##7-######256ee). Please check the configuration state of host and ensure that services are operating normally.



Environment

VMware NSX
VMware NSX-T Datacenter

Resolution

Please refer below article for validating if you are hitting the similar issues with connectivity between ESXi and managers and to follow the workaround.
Connection between ESXi and NSX Controller is UNKNOWN and/or connection between ESXi and NSX Manager is DOWN.