Published Desktop Fails to Extend to a Second Monitor When Using XenApp 6 for Windows 2008 R2

Published Desktop Fails to Extend to a Second Monitor When Using XenApp 6 for Windows 2008 R2

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Article ID: CTX131635

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Updated On:

Description

When using XenApp 6 for Windows 2008 R2, a published desktop in full screen mode on a client computer with multiple monitors fails to extend the Windows desktop to the second monitor.

Generally the published desktop appears on a primary monitor and can be interchanged to the secondary monitor. However, in this scenario the extend function does not work.

Resolution

To resolve the preceding issue, disable the Citrix Desktop Viewer toolbar.

To disable the Citrix Desktop Viewer Toolbar for XenApp, check for the following on the Web Interface site that contains the XenApp farm:

  • Ensure that the c:\inetpub\wwwroot\citrix\SiteName\conf\default.ica file does not contain the line ConnectionBar=0 or ConnectionBar=1

  • Ensure that the c:\inetpub\wwwroot\citrix\SiteName\conf\webinterface.conf file contains the line #ShowDesktopView=Off or ShowDesktopView=Off

Problem Cause

This error may occur if the Citrix Desktop Viewer toolbar is enabled on the Web Interface site. The Citrix Desktop viewer toolbar is not recommended for use with XenApp published desktops as it causes numerous issues. The Citrix Desktop Viewer toolbar was designed specifically for use with XenDesktop only.

Issue/Introduction

This article provides resolution to fix the failure of published desktop to extend to a second monitor when using XenApp 6 for Windows 2008 R2.

Additional Information

A published desktop session running on XenApp 6 from a client with multiple monitors attached appears as a single monitor session. When a client connects to a published desktop in full screen mode, only a single monitor is created initially in the session, extending to the second monitor.

Refer to the following Knowledge Center articles for more information:

CTX119784 – Issues with the Desktop Viewer Toolbar Functionality when Using the Citrix Desktop Receiver to Access XenApp Published Desktops

CTX126894 – A Multi-Monitor Published Desktop Session on XenApp 6 Appears as a Single Monitor Session


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