Last Modified: Oct 23, 2026
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
17.1.3.4, 17.1.3.5, 17.1.3.6, 17.5.1.8, 17.5.1.9, 17.5.1.10, 21.1.0, 21.1.0.1, 21.1.0.2, 21.1.0.3
Opened: Oct 14, 2026 Severity: 4-Minor
After exporting an ASM policy in XML format that has both a login page and session awareness configured, the following error message may appear when attempting to reimport the policy. "element delay_blocking: Schemas validity error : Element 'delay_blocking': This element is not expected. Expected is ( statuses )."
Unable to reimport the exported ASM policy.
ASM policy containing both a login page and session awareness. Export of that ASM policy using an XML format. Reimport of the same policy without modification.
Manually edit the XML file to place the <login_pages> block at the very end of the <session_awareness> block, and then reimport the file.
None