Event ID: 28 "Could not contact any Federated Authentication Servers"

Event ID: 28 "Could not contact any Federated Authentication Servers"

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Article ID: CTX583757

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Updated On:

Description

  • Users are unable to launch Citrix sessions from a FAS enabled store and observe the error - 'Cannot start desktop'.
  • On the StoreFront servers, we observe Event ID: 28 stating - 'Failed to launch the resource 'XXXXXX' using the Citrix XML Service at address '??'. It was not possible to select a Federated Authentication Service. System.ServiceModel.FaultException`- Could not contact any Federated Authentication Servers'.

Resolution

Perform one of the following options:

Option 1: Restart the IIS service (IISRESET) on the StoreFront servers.
Option 2: Reboot the server to recover the services from the faulted state. 

Problem Cause

  • WCF Service transitioned to a faulted state due to the inter-service communications failing. 
  • Service goes to faulted state if the underlying channel created by Channel listener transitions into a faulted state.
  • Once the service is in faulted state all the client calls will be aborted and no further connection can be made to service, unless service is restarted.