Symptoms or Error
New users after installing Citrix Receiver 12.7 or above for Mac on macOS High Sierra when launching an application or desktop might get the following error:
Solution
With macOS 10.13 High Sierra, Apple has introduced a new feature, where user approval is required to load any newly-installed third-party kernel extensions (KEXTs). Citrix Receiver 12.7 for Mac requires Citrix kernel extension to be loaded for Generic USB Redirection to function properly.
If users see the “System Extension Blocked” prompt when launching a Citrix Receiver desktop or application, they can go directly to System Preferences > Security & Privacy and Click Allow against Citrix Systems Inc as shown below to allow loading of the Citrix kernel extension:
Users can also go to the Devices tab in Citrix Receiver Preferences and follow the steps as shown below in the screenshot:
In addition, users can also open preferences from the Devices tab on the Desktop toolbar or the USB Devices menu in the main Citrix Viewer menu as shown below:
Citrix Receiver for Mac does not require any explicit approvals to enable USB redirection when installed on previous versions of macOS (10.12, 10.11. and 10.10).
***NOTE: IF YOU ALREADY HAVE A VERSION OF CITRIX RECEIVER INSTALLED YOU WILL NEED TO COMPLETELY UNINSTALL BEFORE REVIEWING THIS TUTORIAL.***
1.Login to https://studentappst.asu.edu for the student environment or https://citrixt.wpcarey.asu.edu for the staff environment.
2. Click the Detect Receiver button in the prompt that appears after login.
3.Check “I agree with the Citrix License Agreement”
4.Click Download.
5.Double-Click on the downloaded CitrixReceiverWeb.dmg file. (Depending on your browser settings, you may need to navigate to your download folder).
6.Double-Click on the Install Citrix Receiver.pkg
7.Click Continue
8.Click Continue
8a. ClickContinue
9.Click Agree to the terms of the software license agreement
10.ClickInstall
11. Click Install Software after entering your system username andsystem password
12.Click Close to complete the installation of the Citrix Receiver Client
13. Click Continue now that the Citrix Receiver client has been installed
Article for logging into the Student Citrix Environment
Citrix Receiver For Mac 12.77
Article for logging into the Staff Citrix Environment