When upgrading IBM Rational ClearQuest version 7.1.x to version 22.214.171.124 with the IBM Installation Manager, the following error message is displayed. Then, the upgrade fails. "Error during "install" phase: Unable to find custom install operation com.ibm.rational.team.install.common.win32.registry.PreserveAction com.ibm.rational.team.install.common.win32.registry.PreserveAction"
All supported Microsoft Windows Operating Systems, where IBM Rational ClearQuest is being upgraded from a 7.1.x.x version to 126.96.36.199 version.
Resolving The Problem
To avoid this issue, upgrade IBM Rational ClearQuest to version 188.8.131.52 or version 184.108.40.206, before upgrading to 220.127.116.11, or upgrade IBM Rational ClearQuest to version 18.104.22.168 instead of version 22.214.171.124.
16 June 2018