Symptoms

EdgeClient locked mode exclusion list admin UI doesn't allow underscore character

Impact

Hostnames with underscore are not allowed in the list, and you can't whitelist them

Conditions

An administrator is trying to configure EdgeClient locked mode exclusion list with hostname containing underscore character ('_').

Workaround

Exclusion list feature for locked mode is also configurable using local registry on the client machine, registry configuration allows underscore characters. To add my_domain.com to the exclusion list please create registry key (key, not value) under key HKLM\SOFTWARE\WOW6432Node\F5 Networks\RemoteAccess\AlwaysConnected\Exclusions, e.g. HKLM\SOFTWARE\WOW6432Node\F5 Networks\RemoteAccess\AlwaysConnected\Exclusions\my_domain.com\

Fix Information

Now admin UI allows you to specify underscore characters in Edge Client locked mode exclusion list

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips