XenDesktop VDA’s Fail with Unable to Connect Error

When starting XenDesktop 5 or 5.5 from the Web Interface screen, the following error message might be displayed:
An error occurred while making the requested connection

Upon examining the broker logs, the following error message is displayed:

“The Citrix Broker Service failed to validate a user’s credentials on an XML service.
Verify the trust relationships between your domains.

Error details:

User: ”

Error: ‘AccessDenied’

Message: ‘ID only credentials received but TrustRequestsSentToTheXmlServicePort=false’”

Web Interface logs the following error message:

The Citrix servers do not trust the server. This message was reported from the XML Service at address https://localhost/scripts/wpnbr.dll [com.citrix.xml.NFuseProtocol.RequestAddress].”

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