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DRaaS does not retain network file for RHEL when failover instance is brought online.

DRaaS v1.0 leverages AWS VM Import/Export services to perform the AMI conversion. Due to a VM Import/Export service limitation, all static IP addresses assigned to the source VM are removed during the import. When an imported instance is launched in an Amazon VPC, it receives a primary private IP address from the IPv4 address range of the subnet. Hence, the network file gets replaced with vmimport.network.

Create the network file over the RHEL Server manually.

For more information, see VM import/Export Requirements from AWS documentation.