This would be appear to be a Citrix - compatibility issue and what I have read on the Citrix blogs and forums leads me to believe that Citrix engineers need to upgrade and release new versions of the certificate. I have a similar issue and got a temporary workaround by using Chrome (Google browser) and downloading the Citrix workspace extension for it. (None exists for Safari yet) and my applications were able to run. I had to learn how to juggle between multiple applications as Option + Tab does not work but did it by using different window sizes and desktops and switching as necessary. Hope someone else can be helped as well.
A remote compromise of the computer running Citrix Workspace app when Windows file sharing (SMB) is enabled. This vulnerability affects the following supported versions of Citrix Workspace app for Windows: Citrix Workspace app 2002, 2006 and 2006.1 for WindowsCitrix Workspace app 1912 LTSR for Windows (before CU1 Hotfix 1). When trying to connect user receives 'The remote SSL peer sent a handshake failure alert'. Citrix Workspace app for Mac supports the following operating systems: macOS Catalina (10.15) Citrix Workspace app for Mac can be used on macOS Big Sur Beta 8 in test environments. Do not use Citrix Workspace app for Mac on macOS Big Sur Beta versions in production environments. Compatible Citrix.
By the way - Citirix did update its app right after Catalina was in general release and new(er) workspace app icon is blue as compared to the prior black one. That is the one you want to download if you are going to try the Chrome route.
Just found this out - Citrix released a new Workspace for Mac - you can download it here: https://www.citrix.com/downloads/workspace-app/mac/workspace-app-for-mac-latest.html
My apps are now working - no more certificate errors
Oct 13, 2019 12:40 PM
Symptoms or Error
Certification issues after upgrading to Mac OS Catalina
Citrix Workspace App performing slowly Citrix Workspace Older VersionSolutionCitrix Workspace Mac Catalina Downloads![]()
Please upgrade to the latest current release https://www.citrix.com/downloads/workspace-app/mac/workspace-app-for-mac-latest.html
Citrix Workspace App DownloadProblem Cause
Apple has changed Certificate policies for cert validation
Additional ResourcesDownloading Citrix Workspace
https://www.citrix.com/en-in/downloads/workspace-app/mac/workspace-app-for-mac-latest.html
https://docs.citrix.com/en-us/citrix-workspace-app-for-mac/whats-new.html https://www.citrix.com/blogs/2019/10/09/citrix-workspace-app-1910-for-mac-is-here-with-macos-catalina-support/ Comments are closed.
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December 2020
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