vSphere Web Client, [400] An error occurred

Hi All,

Today I am trying to access my vSphere Web client with my AD account.

I got the following error:-


  • The VMware vSphere Web Client displays the error:A server error occurred.[400] An error occurred while processing the authentication response from the vCenter Single Sign-On server. Details: Status: urn:oasis:names:tc:SAML:2.0:status:Responder, sub status: null.

Check the vSphere Web Client server logs for details.

  • The %ALLUSERSPROFILE%\VMWare\vCenterServer\logs\sso\vmware-sts-idmd.log file contains errors similar to:[YYYY-MM-DDT<Time> vsphere.local        c006bcab-1db9-43ea-bf27-ca8e6ab45251 INFO ] [VmEventAppender] EventLog: source=[VMware Identity Server], tenant=[vsphere.local], eventid=[USER_NAME_PWD_AUTH_FAILED], level=[ERROR], category=[VMEVENT_CATEGORY_IDM], text=[Failed to authenticate principal [[email protected]domain]. Access denied], detailText=[com.vmware.identity.idm.IDMLoginException: Access denied

This issue occurs when the domain in which the user you are attempting to log in does not exist as a VMware vCenter SSO identity source.

For more reference VMware KB 2111354

I resolved the issue, Added the AD authentication to my SSO service.

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Written by Sujith Surendran

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