Can ENF be re-started while ACF2 / DB2 is up?

Document ID : KB000126387
Last Modified Date : 07/02/2019
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A recycle of ENF is required, while DB2 images are active. Will there be any impact on DB2 functionality or will DB2 images need to be shut down and  restarted ?
Since the hooks for DB2 are already in place, ENF can be bounced. No need to recycle DB2.