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XenApp 6.5 image – Citrix Receiver error 2320

While working on another XenApp 6.5 upgrade, I noticed users were getting “Error number 2320” while opening legacy XenApp 5 (4.5 really) applications.

In addition, I was seeing a MSI repair popup when they connected via the internal Citrix Web Interface site.

receiver_error_2320

Environment:

  • Windows 2008 R2
  • Citrix XenApp 6.5 FP1
  • PVS 6.1.16
  • Citrix Receiver 11.2 (Please read this article as to why I decided to go with 11.2 on the XenApp 6.5 image, vs Receiver 3.x)

Cause:

It seems the issue was caused by removing the 3.x client and installing 11.2 as an incorrect settings remained in the registry.

Fix: (In my case, I created a Computer policy to import the regkeys below)

Error 2320:

Open the Windows registry editor by going to START/Run/regedit.
Navigate to the HK Local Machine registry key below and see if the registry key ClientHostedApps exists; remove it if it is present.

  • 64-Bit System (XenApp 6.5 image)

HKLM\SOFTWARE\Wow6432Node\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Control

  • Navigate to the HK Current User registry key below and see if the registry key ClientHostedApps exists; remove it if present.

HKCU\SOFTWARE\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Control

Re-installing client issue: 64-Bit System (XenApp 6.5 image)

  • Navigate to the HK Local Machine registry key below and create a REG_SZ key called ConnectionCenter

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run

“ConnectionCenter”=”\”C:\\Program Files (x86)\\Citrix\\ICA Client\\concentr.exe\” /startup”

ctx_connection_center

 

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