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 | These are the minimum required level of operating requirements for CICS Transaction Server editions.
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| Operating System | Software | Hardware |
| VSE/ESA | The minimum required level of operating system for CICS Transaction Server for VSE/ESA, Version 1 Release 1 Modification 1 is VSE/ESA Version 2 Release 5. Please refer to the announcement letter for a complete list of software requirements. | The minimum specification of an IBM processor supported by VSE/ESA Version 2 Release 5 operating system, which runs in ESA mode only. These processors include Enterprise Systems Architecture/390® (ESA/390) processors that meet the requirements of the host operating system, CICS access methods, and user application programs. System 370, System 370/XA, and ESA/370 processors are not supported. |
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