You can modify the disk size of the Automation Orchestrator Appliance by editing the disk size settings of the Automation Orchestrator Appliance virtual machine in vSphere.
Prerequisites
Verify that the Automation Orchestrator Appliance SSH service is enabled. See Activate or Deactivate SSH Access to the Automation Orchestrator Appliance.
Procedure
What to do next
To troubleshoot problems with the disk resize procedure, see KB 79925.