F5 VPN Your Session Could Not Be Established

When starting the F5 VPN, connection fails and closes with the following error: Your session could not be established could not be established. The session reference number: nnnnnnnn Application will be closed

• Networking
• F5
• Software as a Service (SaaS)
• VPN
• Tyler Systems Management (TSM) 

Version 7.1.8.4 or earlier of the F5 client cannot establish a connection. 

Update to the latest version (7.1.8.5+) of the F5 client by performing the following steps

1. Uninstall BIGIP Edge Client from workstation* and reboot PC
2. Open Web Browser (preferably Google Chrome)
   1. Navigate to https://secure.tylertech.com
   2. Sign-In with datacenter credentials (i.e 1234jsmith)
   3. Download and Install F5 client from the F5 pop-up*
   4. Refresh the page and wait for the F5 client to launch

*Some workstations may need administrative privileges to uninstall/install applications. Please reach out to your IT for further assistance with this.

If you are running into further issues with the client, please reach out to Tyler Systems Management Software as a Service (SaaS). 

Bug reported by F5: https://cdn.f5.com/product/bugtracker/ID990073.html

If the uninstall/re-install of the BigIP software doesn't resolve the issue try the following:

F5 VPN A Connection to the Remote Computer Could Not Be Established