If you are migrating from CICS TS 2.2, part of this will involve updating the JVM profile used by the CorbaServers. Note the changes to JVM profiles and property files that were introduced in CICS TS 2.3, as described in Migration tips.
Re-publish the selected DJARs to the JNDI name space, in the same location as that used by the back-level AORs.