When using the ES_TRANCLASS_CWI environment variable with CICS® Transaction Server for z/OS®, Version 3 Release 1, and IBM
CICS initiates the ATTACH transaction followed by the ALIAS transaction for a single Web request, this is intended to enable
the application of different limitations and priorities on these transactions. Enterprise Server does not support this. Instead,
a TRANCLASS-enabled region processes the requests as a single ATTACH transaction, and uses the ALIAS transaction for security
checks.