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"The published resource is not available currently..." and/or "SSL Error 47: The server sent an SSL alert: sslv3 alert handshake failure" errors when trying to launch Controller on Cloud

Troubleshooting


Problem

User launches the Citrix StoreFront website, which hosts the Controller-on-Cloud system. User types in username/password. The relevant icon appears.
User clicks on the Citrix icon (to launch Controller on Cloud). An error appears.
Problem only affects some laptops/PCs.

Symptom

The error will vary depending on what version of Citrix client is installed:
  
Example #1
image-20200115172045-1
Citrix Receiver
The published resource is not available currently. Contact your system administrator for further assistance
Example #2
image-20200115172205-1
Unable to connect to the server. Contact your system administrator with the following error: SSL Error 47: The server sent an SSL alert: sslv3 alert handshake failure (alert number unavailable)

Cause

PC/laptop cannot connect to all the relevant servers (used by Controller on Cloud).
Example:
In one real-life example, the PC was plugged into a corporate network which had a firewall configured to block access to the websites which store the SSL certificates that the Citrix client requires.

Environment

In one real-life example:
  • The client device worked OK when plugged into one network (for example a home internet network)
  • However, the problem occured when the laptop was plugged into the corporate network.

Resolving The Problem

Ensure that the client PC has unrestricted access to the internet.
Example:
In one real-life example, the solution was to reconfigure the corporate firewall to allow the 'bad' PCs to connect to all the relevant servers (located in the internet) which Citrix clients need to use for its SSL certificate subsystem to work.

Document Location

Worldwide

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Document Information

Modified date:
12 October 2021

UID

ibm11172836