Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IQ Platform
Known Affected Versions:
5.4.0, 5.4.0 hf1, 5.4.0 hf2
Opened: Jan 09, 2018 Severity: 3-Major Related Article:
K22136541
After upgrading BIG-IQ to version 5.4, when attempting to access BIG-IP LTM pools and pool members, you might receive the following error: 'Found unexpected BSON type UNDEFINED.'
Re-importing the device might fail and you might be unable to access pool members.
This happens after upgrading to BIG-IQ 5.4. The pool members impacted are those located in the 'Common' partition without folders.
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