Last Modified: Jun 28, 2025
Affected Product(s):
BIG-IP APM, Install/Upgrade
Known Affected Versions:
17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2
Fixed In:
17.5.1, 16.1.6
Opened: Jan 29, 2025 Severity: 3-Major
After upgrading from BIG-IP version 15 to version 17 you may get a RST due to the below TCL error when requesting some application URLs: TCL error: /Common/_sys_APM_VDI_Helper <HTTP_RESPONSE_RELEASE> - can't read "tmm_apm_feed_login": no such variable while executing "if { ($tmm_apm_client_type == "rdg-http" || $tmm_apm_feed_login) && $tmm_apm_is_nego_auth } { # Getting response header fo..."
TCL errors observed in the LTM logs leading to connection reset
-- VDI profile is attached -- iRules are attached with custom priorities
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