Aria Orchestrator work flows failing with permission denied

Products

• VCF Automation

Issue/Introduction

Orchestrator work flows fail with permission denied error

In service-pod/prelude/vco-app/file-logs/vco-server-app.log for the following error 

ERROR vco [host='vco-app-6485cf94c8-jqd9v' thread='taskScheduler-8' user='' org='' trace=''] {} com.vmware.o11n.plugin.vsphere.connect.SdkSessionFactory - Failed to create 'SDK' session. Shutting down client.
com.vmware.vim.vmomi.client.exception.SslException: com.vmware.vim.vmomi.core.exception.CertificateValidationException: Server certificate chain is not trusted and thumbprint doesn't match
        at com.vmware.vim.vmomi.client.common.impl.ResponseImpl.setError(ResponseImpl.java:265) ~[vlsi-client-8.0.3.0.jar:?]
        at com.vmware.vim.vmomi.client.http.impl.HttpExchangeBase.setResponseError(HttpExchangeBase.java:362) ~[vlsi-client-8.0.3.0.jar:?]

Environment

Aria Orchestrator 8.18.x 

Cause

vCenter SSL cert trust mismatch.

Resolution

Update the SSL trust to vCenter using this KB