When running TMSXTEND, you may encounter the below scenario.
In the SYSLOG, during the execution of TMSXTEND, you see that Health Checks are getting IEFTMS34, and the TMSXTEND is also getting IEFTMS34, as well as an IEFTMS35 :
CAHCHECK IEFTMS34 WAITING ON EXCLUSIVE ENQUEUE OF TMSQNAME RESOURCE TMSINIT
TMSXTEND IEFTMS34 WAITING ON EXCLUSIVE ENQUEUE OF TMSQNAME RESOURCE TMSINIT
TMSXTEND IEFTMS35 WAITING ON TMSQNAME RESOURCES TMSINIT, TMS-TMC AND TMS-AUD