Citrix Cloud CVAD 1912 LTSR – VDA Registration failure – Security Support Provider Interface (SSPI) authentication failed

You may see VDA failing to register with Cloud Connectors with following error


Error Details: Exception ‘Error occurred when attempting to connect to endpoint at address http://<Cloud connector machine name>.<domain name>.local:80/Citrix/CdsController/IRegistrar, binding WsHttpBindingIRegistrarEndpoint and contract Citrix.Cds.Protocol.Controller.IRegistrar: System.ServiceModel.Security.SecurityNegotiationException: SOAP security negotiation with ‘http://<IP Address>/Citrix/CdsController/IRegistrar’ for target ‘http://<IP Address>/Citrix/CdsController/IRegistrar’ failed. See inner exception for more details. —> System.ComponentModel.Win32Exception: Security Support Provider Interface (SSPI) authentication failed. The server may not be running in an account with identity ‘HOST/<Cloud connector machine name>.<domain name>.local’. If the server is running in a service account (Network Service for example), specify the account’s ServicePrincipalName as the identity in the EndpointAddress for the server. If the server is running in a user account, specify the account’s UserPrincipalName as the identity in the EndpointAddress for the server. Error Details: Exception ‘Error occurred when attempting to connect to endpoint at address http://<Cloud connector machine name>.<domain name>.local:80/Citrix/CdsController/IRegistrar, binding WsHttpBindingIRegistrarEndpoint and contract Citrix.Cds.Protocol.Controller.IRegistrar: System.ServiceModel.Security.SecurityNegotiationException: The caller was not authenticated by the service. —> System.ServiceModel.FaultException: The request for security token could not be satisfied because authentication failed. at System.ServiceModel.Security.SecurityUtils.ThrowIfNegotiationFault(Message message, EndpointAddress target) at System.ServiceModel.Security.SspiNegotiationTokenProvider.GetNextOutgoingMessageBody(Message incomingMessage, SspiNegotiationTokenProviderState sspiState)

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