Bug ID 2295233: Remote users with usernames starting with underscore cannot access some GUI pages

Last Modified: Jun 04, 2026

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
17.1.3.2, 17.5.1.6

Opened: May 12, 2026

Severity: 3-Major

Symptoms

After logging in to the BIG-IP Configuration Utility, some pages display the error "Error getting auth token from login provider." Affected pages include Device Management, Shared Objects, and iApps Application Services

Impact

Remote users with usernames starting with an underscore cannot access some Configuration Utility pages. Other pages and CLI access are unaffected

Conditions

- BIG-IP is configured to use a remote authentication provider (such as Active Directory, LDAP, or RADIUS) - The remote user's username begins with an underscore character (for example, _username)

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips