# Data Object - VsanUpgradeSystemUpgradeHistoryPreflightFail(vim.VsanUpgradeSystem.UpgradeHistoryPreflightFail)

Extends
  VsanUpgradeSystemUpgradeHistoryItem
See also
  VsanUpgradeSystemPreflightCheckResult
Since
  vSphere API 6.0

## Data Object Description

Upgrade process encountered a pre-flight check failure. This leads to the upgrade process aborting the upgrade.

Properties

Name | Type | Description
--- | --- | ---
preflightResult | VsanUpgradeSystemPreflightCheckResult | Details about the failed preflight check.
Properties inherited from VsanUpgradeSystemUpgradeHistoryItem
host, message, task, timestamp
Properties inherited from DynamicData
None

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VsanUpgradeSystemUpgradeHistoryPreflightFail"> <complexContent> <extension base="vsan:VsanUpgradeSystemUpgradeHistoryItem"> <sequence> <element name="preflightResult" type="vsan:VsanUpgradeSystemPreflightCheckResult"/> </sequence> </extension> </complexContent> </complexType>