Bug ID 1274001: IM installation ERROR: IM file is too big to install 21MB, Max allowed decompressed size is 20MB

Last Modified: Dec 07, 2023

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

Opened: Mar 21, 2023

Severity: 3-Major

Symptoms

An IM package is not installed BIG-IP during hitless upgrade occurs.

Impact

Unable to load the IM with the latest signatures

Conditions

-- A hitless upgrade occurs. -- Trying to insert an IM which is latest when the IM which is active on BIG-IP is older than March 22, 2023

Workaround

For v15.x, v16.x and v17.x: IM package pi_updates_xx.x.x-20230322.0546.im is mandatory to install to avoid the error (ERROR: IM package is too big to install and allowed max size is 20MB). For v14.x: Install the regular IM mentioned in the above table for all versions and point releases <=14.1.4.5. For v14.1.4.6 try to install the IM pi_updates_14.1.4.6-xxxxxxxx.xxxx.im For v14.1.5 install pi_updates_14.1.5-xxxxxxxx.xxxx.im.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips