Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, Compiler and Runtime Migration Guide


Service support for OS/VS COBOL and VS COBOL II programs

IBM will continue to provide service support for the running of programs compiled with the OS/VS COBOL Release 2 and VS COBOL II Release 3 and higher compilers when these programs use the Language Environment runtime library versions of the COBOL library routines with the following exception: OS/VS COBOL programs running on CICS Transaction Server Version 3.

For example, the library routines for OS/VS COBOL programs exist in the OS/VS COBOL, the VS COBOL II,and the Language Environment runtime libraries. OS/VS COBOL programs running with the OS/VS COBOL library or the VS COBOL II runtime library are not supported by IBM Service. If your OS/VS COBOL programs are running using a supported release of the Language Environment runtime library, your programs are supported by IBM Service.

In CICS TS (Transaction Server), Version 2 Release 2 or later, you can no longer use the CICS Translator for OS/VS COBOL programs. As soon as possible, upgrade to Enterprise COBOL any OS/VS COBOL programs that need to change to run under CICS, Version 2 Release 2 or later.


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