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WARNING: After IOA is set to the current release mode, changing the value of the compatibility variables back to 630/700 (C-1 compatible) might cause unpredictable results.
In this step all products in the new IOA environment are automatically switched to Incompatibility Mode (see Terminology). After completion of this step the fallback to the old version production environment will no longer be possible, and all the Express Upgrade steps will be locked. To prevent the activation of the OLD address spaces by mistake, the OLD environment will be locked by renaming the IOAPARM and DEFPARM members in the OLD IOA.PARM library to IOAPARM@ and DEFPARM@ respectively. This step can be performed after you are confident that the new environment is working as expected.
After selecting the "Complete the upgrade" step all INCONTROL started tasks must be re-cycled to avoid the situation where online users work in a different compatibility mode to the started tasks. ISPF users must exit and then re-enter the IOA on-line environment.
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