# Fault - GuestAuthenticationChallenge(vim.fault.GuestAuthenticationChallenge)

Thrown by
  AcquireCredentialsInGuest
Extends
  GuestOperationsFault
See also
  GuestAuthentication
Since
  vSphere API 5.0

## Fault Description

Fault is thrown when a call to AcquireCredentialsInGuest requires a challenge response in order to authenticate in the guest. The authToken string in serverChallenge contains a base64 encoded challenge token.

Properties

Name | Type | Description
--- | --- | ---
serverChallenge | GuestAuthentication | Contains the server challenge information
sessionID | xsd:long | Contains a session ID number that associates the server response with the initial request.
Properties inherited from GuestOperationsFault
None
Properties inherited from VimFault
None
Properties inherited from MethodFault
faultCause, faultMessage

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="GuestAuthenticationChallenge"> <complexContent> <extension base="vsan:GuestOperationsFault"> <sequence> <element name="serverChallenge" type="vsan:GuestAuthentication"/> <element name="sessionID" type="xsd:long"/> </sequence> </extension> </complexContent> </complexType>