# Data Object - VsanUpgradeSystemPreflightCheckIssue(vim.VsanUpgradeSystem.PreflightCheckIssue)

Property of
  VsanUpgradeSystemPreflightCheckResult
Extended by
  VsanBrokenDiskChainIssue, VsanDisallowDataMovementIssue, VsanDisallowEvacuateDataIssue, VsanDiskUnhealthIssue, VsanHigherObjectsPresentDuringDowngradeIssue, VsanHostPropertyRetrieveIssue, VsanHostsCompressionOnlyNotSupported, VsanHostWithHybridDiskgroupIssue, VsanMixedEsxVersionInClientIssue, VsanMixedEsxVersionIssue, VsanObjectInaccessibleIssue, VsanObjectPolicyIssue, VsanRemoteClusterNotCompatible, VsanUnknownScanIssue, VsanUnsupportedHighDiskVersionIssue, VsanUpgradeSystemAPIBrokenIssue, VsanUpgradeSystemAutoClaimEnabledOnHostsIssue, VsanUpgradeSystemHostsDisconnectedIssue, VsanUpgradeSystemMissingHostsInClusterIssue, VsanUpgradeSystemNetworkPartitionIssue, VsanUpgradeSystemNotEnoughFreeCapacityIssue, VsanUpgradeSystemRogueHostsInClusterIssue, VsanUpgradeSystemV2ObjectsPresentDuringDowngradeIssue, VsanUpgradeSystemWrongEsxVersionIssue
Extends
  DynamicData
Since
  vSphere API 6.0

## Data Object Description

Base class for a pre-flight check issue. Can be used directly but usually a derived class with a specific issue type is used.

Properties

Name | Type | Description
--- | --- | ---
msg | xsd:string | Message describing the issue.
Properties inherited from DynamicData
None

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VsanUpgradeSystemPreflightCheckIssue"> <complexContent> <extension base="vsan:DynamicData"> <sequence> <element name="msg" type="xsd:string"/> </sequence> </extension> </complexContent> </complexType>