Host configuration fails on ESXi hosts during VMware Live Recovery (VLR) or vSphere Replication deployment. The process stops when the host is unable to download the required Host-Based Replication (HBR) agent VIB from the appliance. This typically occurs in environments where appliances and hosts reside in separate DNS domains without a two-way trust.
Symptoms
An error occurred during host configuration: /usr/sbin/esxupdate returned with exit status: 7.esxupdate.log shows: esximage.Errors.VibDownloadError: ('https://####:443/vib/vmware-hbr-agent.vib', None, "('https://####:443/vib/vmware-hbr-agent.vib', '', 'Name or service not known')")nslookup on the ESXi host returns a loopback address or fails to resolve the VLR appliance FQDN.domain-a.#### and VLR in domain-b.####)The ESXi host cannot resolve or trust the identity of the VLR appliance because the appliance lacks a valid Pointer (PTR) record in the DNS domain used by the ESXi host. Without a valid PTR record, the host cannot establish the secure connection required to download the VIB.
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