# Data Object - VsanUpgradeSystemV2ObjectsPresentDuringDowngradeIssue(vim.VsanUpgradeSystem.V2ObjectsPresentDuringDowngradeIssue)

Extends
  VsanUpgradeSystemPreflightCheckIssue
Since
  vSphere API 6.0

## Data Object Description

Pre-flight check encountered v2 objects preventing a downgrade.

Properties

Name | Type | Description
--- | --- | ---
uuids | xsd:string[] | Object UUIDs of v2 objects.
Properties inherited from VsanUpgradeSystemPreflightCheckIssue
msg
Properties inherited from DynamicData
None

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VsanUpgradeSystemV2ObjectsPresentDuringDowngradeIssue"> <complexContent> <extension base="vsan:VsanUpgradeSystemPreflightCheckIssue"> <sequence> <element name="uuids" type="xsd:string" maxOccurs="unbounded"/> </sequence> </extension> </complexContent> </complexType>