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XenApp Error 10060 – How to fix

by | May 30, 2021

Stuck with XenApp Error 10060? We can help you.

Often users get this XenApp error while trying to launch the desktop enabling the “HDX Adaptive Transport” policy set to Diagnostic.

Here at Bobcares, we often handle requests from our customers to fix similar errors as a part of our Server Management Services. Today we will see how our support engineers fix this for our customers.

What causes XenApp Error 10060

Before going into the steps for fixing this error we will see what causes this error.

A typical error looks like the one given below:

Unable to connect to the server. Contact your system administrator with the following error: There is no Citrix XenApp server configured on the specified address. (Socket Error 10060)

One of the main causes for this error can be UDP Network Ports not being open on the client-side.

How to fix this error

Adaptive transport is a new data transport mechanism for XenApp and XenDesktop and available in Citrix policies. When set to Preferred, it uses data transport over EDT as primary and fallback to TCP.

By default, it uses TCP and adaptive transport is disabled.

However, for testing purposes, we can set Diagnostic mode to only use EDT and disable the fallback.

We can fix this issue using the following steps:

1. Initially, we will test with the policy set to Preferred.  [No UDP Ports will be open]

We can do this using the following steps:

  • Firstly, launch the Desktop.
  • Then from the command prompt browse to “C:\Program Files (x86)\Citrix\System32
  • Finally, we have to run ‘CtxSession’

We will see that it uses TCP with CGP and Session Reliability encapsulates the ICA protocol.

2. Now, we have to run CtxSession /v for verbose output. Here we can see that VDA is using port 2598.

3. Next, we will set the policy to ‘Diagnostic mode’.

We must ensure that UDP 1494 and 2598 ports open on the VDA. Now we can run CtxSession /v to get confirmation that we are using UDP 2598.

This means that HDX Enlightened Data Transport is being used with Session Reliability. We can also check Director and see that whether the protocol will be set as UDP.


[Still stuck with the error? We can help you]


In short, we saw how our Support Engineers fix XenApp Error 10060 for our customers.


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