📖 ~1 min read
Table of contents
Symptom & Impact
installp/emgr fails with ‘efix conflicts with installed fileset’.
Environment & Reproduction
Applying interim fix on top of newer TL/SP that supersedes it.
Root Cause Analysis
emgr inventory disagrees with installp fileset levels.
Quick Triage
Run emgr -l and instfix -i to list applied fixes/TLs.
Step-by-Step Diagnosis
Use lslpp -L | grep -i fileset to confirm levels.

Solution – Primary Fix
Remove conflicting efix with emgr -r -L label then retry update.
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Solution – Alternative Approaches
Apply TL/SP via NIM resource which auto-supersedes efixes.
Verification & Acceptance Criteria
instfix -ik shows expected TL/SP level fully applied.
Rollback Plan
Reinstall the removed efix if regression appears.
Prevention & Hardening
Keep efix register in sync via emgr before any update.
Related Errors & Cross-Refs
Pairs with bosboot warnings when kernel filesets change.
Related tutorial: View the step-by-step tutorial for aix-7.3.
View all aix-7.3 tutorials on the Tutorials Hub →
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
IBM Docs: emgr, installp, instfix.
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