Bug ID 1082909: VPN does not work with TLS 1.3 on Windows 11

Last Modified: Apr 28, 2025

Affected Product(s):
APM-Clients TMOS(all modules)

Known Affected Versions:
7.2.2, 7.2.2.1, 7.2.2.2, 7.2.3, 7.2.3.1, 7.2.4, 7.2.4.2, 7.2.4.3, 7.2.4.4, 7.2.4.5, 7.2.4.6, 7.2.4.7, 7.2.4.8

Fixed In:
7.2.5

Opened: Feb 23, 2022

Severity: 3-Major

Symptoms

While establishing a VPN connection, the user is unable to connect with TLS 1.3 on Windows 11.

Impact

The browser fails to establish a VPN connection.

Conditions

When TLS 1.3 is enabled, other TLS versions are disabled on the BIG-IP virtual server.

Workaround

Enable other versions of TLS to allow the APM clients to fall back to an older version of TLS protocol.

Fix Information

Fixed the issue where Windows VPN Clients failed to establish connection with TLS1.3 on Windows 11.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips