Symptoms or Error
When trying to connect user receives 'The remote SSL peer sent a handshake failure alert'. Microsoft Windows Citrix Client Reciever 4.3. After Install cancel out of pop up screens that occur after install-that ask for server or single sign on. For Mac OS X 10.9, 10.10, 10.11, 10.13 - Citrix Receiver v12.8. For Mac OS X 10.9, 10.10, 10.11 - Citrix Receiver v12.2. For Mac OS X 10.8, 10.9, 10.10, 10.11 - Citrix Receiver.
Certification issues after upgrading to Mac OS Catalina
Citrix Workspace App performing slowly
Citrix Workspace App performing slowly
Solution
Please upgrade to the latest current release https://www.citrix.com/downloads/workspace-app/mac/workspace-app-for-mac-latest.html
Problem Cause
Apple has changed Certificate policies for cert validation
Additional Resources
Citrix Workspace Mac Download Catalina Patcher
Download Citrix Workspace App Mac
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/
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/