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Choose "Keep Source Gateway" to keep the source gateway in DPOD after the migration is done.
The Secure-Restore process will assign the same source IP address to the target gateway - so if you wish to keep both - you will need to manually change the source's IP address and enter it in the input fields "New Source Gateway SOMA Address","New Source Gateway SOMA Port","New Source Gateway ROMA Port" and "New Source Gateway Log Target Source Address".
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