This article describes how to enable XML DNS Address Resolution in XenDesktop.

Background

This setting changes whether ICA files returned by a broker service to a user device contain the numeric IP address or the DNS name of the desktop machine to which a session should be established.

By the default value ($false), ICA files will always contain a numeric IP address. To have DNS names appear in the ICA files, set the value to $true.

Instructions

Note: The Set-BrokerSite cmdlet modifies properties of the current broker site.

1. Launch Powershell on any DDC in the site and load Citrix Snap ins by running "asnp Citrix*.

2. Run the following command:
   Set-BrokerSite -DnsResolutionEnabled 1

Even when DNS resolution is enabled ($true), IP addresses might still appear in ICA files. The reasons for this include, for example, that the broker service is unable to obtain a DNS name for the target machine, or that Web Interface is configured to always use numeric IP addresses in this context.

CTX128436 – How to Enable DNS Address Resolution in XenApp 6

Powershell Help: https://docs.citrix.com/en-us/xenapp-and-xendesktop/7-6/cds-sdk-wrapper-rho/xad-commands.html