UCMDB Discovery on Migrated environment

Hi Experts,
In my environment due to datacenter migration all the IPs of the host going to be changed with a new infrastructure and only the hostname stays the same. I would like to know what will be the impact to the CIs discovered already if we do the rediscovery on the new environment, will the new Ipaddress get merge to the host if it’s find the hostname or will it create a new host Since the infrastructure going to be new and all the host reconciliation attributes will also change except the hostname.
Could you please suggest me any best practice to follow in this scenario.. Whether to discover new environment with the existing data and allow the reconciliation to do the job of merge and create the CIs and allow aging to delete the cis which are not touched.. Or to do the fresh discovery removing all the old data.


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