Idle session timeout warning message does not display in ICA session

Idle session timeout warning message does not display in ICA session

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Article ID: CTX616928

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Updated On:

Description

  • The below idle session timeout warning message is not displayed before the idle ICA session is disconnected.

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  • The idle session timeout warning shows up in RDP session on the same VDA.
  • The Idle session timers are configured via RDSH policy.
  • The issue is only seen in ICA session when HDX Adaptive Transport GPO is modified.
  • The issue could be reproduced on Windows 2022 and 2019 OS with 2203 LTSR (CU2, CU3, CU4) and 2402 VDA.

Environment

Caution! Using Registry Editor incorrectly can cause serious problems that might require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Be sure to back up the registry before you edit it.

Resolution

A private fix is available to address the issue. Please contact Citrix support if you experience the same issue.
A public fix for this issue will be included in future releases.

Problem Cause

The issue is seen due to compatibility issues with the new Microsoft interface.
 

Issue/Introduction

The article describes the issue found in CVADHELP-24646 and its resolution

Additional Information

Note:

The Idle timer expiry message displayed in ICA session depends on the value of fEnableTimeoutWarning in ICA-CGP listener. 

Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\Winstations\ICA-CGP
Value name: fEnableTimeoutWarning
Value type: DWORD
Value data: 1 = Disable the warning message, 0 = Enable the warning message

https://support.citrix.com/article/CTX555711/how-to-disable-warning-idle-time-expired-message-dialog-box

https://docs.citrix.com/en-us/citrix-virtual-apps-desktops/policies/reference/hdx-registry-settings.html#disable-timeout-warning

 
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