Receiver Warning: "A Potentially UNSAFE Connection to the Computer Has Been Initiated"

Receiver Warning: "A Potentially UNSAFE Connection to the Computer Has Been Initiated"

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Article ID: CTX211954

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Updated On:

Description

This article is intended for Citrix administrators and technical teams only.

Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information.

-Getting warning message:"A potentially UNSAFE connection to the computer has been initiated" when trying to open an application

User-added image

Issue start happening after apply article: CTX133565 How to Configure Default Device Access Behavior of Receiver, XenDesktop and XenApp
 

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

Complete the following steps:

  1. Change settings settings under the "HKLM\Software\Citrix\ICA Client\Client Selective Trust" keys.

  2. Change the default value in any key labelled "ConnectPermission" back to "1", eg
    HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\ICA Client\Client Selective Trust\oidInternetRegionConnectionAuthorizationDecision\ConnectPermission @="1"

  3. Do the same for registers keys with Connection Authorization Decision on the name.

Problem Cause

When applying template from article: "How to Configure Default Device Access Behavior of Receiver, XenDesktop and XenApp" http://support.citrix.com/article/CTX133565, changes the default value of the Connection Authorizations Decision from default 1, to 3 (non-secure connections).

Issue/Introduction

Getting warning message: "A potentially UNSAFE connection to the computer has been initiated" when applying article: http://support.citrix.com/article/CTX133565.

Additional Information

http://discussions.citrix.com/topic/296184-citrix-receiver-security-warning-an-online-application-is-attempting-to-access-information-on-a-device-attached-to-your-computer/
"How to Configure Default Device Access Behavior of Receiver, XenDesktop and XenApp" http://support.citrix.com/article/CTX133565
 

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