After clicking the icon, the APP launch fails with following event log on FAS server

Log Name:      Application
Source:        Citrix.Authentication.FederatedAuthenticationService
Date:          7/12/1999 10:10:04 AM
Event ID:      101
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      FASTEST.fasS.com
Description:
The description for Event ID 101 from source Citrix.Authentication.FederatedAuthenticationService cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.

If the event originated on another computer, the display information had to be saved with the event.

The following information was included with the event: 

[S101] Server [fasS\FAS$] is not authorized to assert identities using rule [Default]. [correlation: 111bf111-1bce-1c11-adae-1a1d1d11c111]

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Citrix.Authentication.FederatedAuthenticationService" />
    <EventID Qualifiers="0">101</EventID>
    <Level>3</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2024-07-12T02:10:04.542550000Z" />
    <EventRecordID>3322</EventRecordID>
    <Channel>Application</Channel>
    <Computer>FASTEST.fasS.com</Computer>
    <Security />
  </System>
  <EventData>
    <Data>[S101] Server [fasS\FAS$] is not authorized to assert identities using rule [Default]. [correlation: 517bf173-1bce-4c12-adae-3a4d5d23c158]</Data>
  </EventData>
</Event>

To run following powershell command lines on DDC:

asnp Citrix*
Set-BrokerSite -TrustRequestsSentToTheXmlServicePort $true

Problem Cause

The DDC does not trust the XML.