6.5.1

Table Of Contents
If you create a linked clone virtual machine after the backup and you restore vCenter Server from the
old backup, then after the restore, vCenter Server does not know about the new linked clone virtual
machine until vCenter Server discovers the new linked clone virtual machine. If you remove all
existing virtual machines before the new linked clone virtual machine is discovered, then the removal
of existing virtual machines corrupts the new linked clone due to missing disks. To avoid this
corruption, you must wait until all linked clone virtual machines get discovered by the vCenter Server
before you remove virtual machines.
vSphere High Availability
Restoring vCenter Server from a backup may cause it to roll back to older version for the vSphere HA
cluster state (HostList, ClusterConfiguration, VM protection state) while the hosts in the cluster have the
latest version for the cluster state. Ensure that the vSphere HA cluster state stays the same during
restore and backup operations. Otherwise, the following potential problems are present.
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If hosts are added or removed to/from the vSphere HA cluster after backup and before
vCenter Server restore, virtual machines could potentially fail over to hosts not managed by the
vCenter Server but are still part of the HA cluster.
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Protection states for new virtual machines are not updated on the vSphere HA agents on the hosts
which are part of the vSphere HA cluster. As a result, virtual machines are not protected/unprotected.
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New cluster configuration state is not updated on the vSphere HA agents on the hosts which are part
of the vSphere HA cluster.
vCenter High Availability
Restoring vCenter Server requires vCenter HA to be reconfigured.
Storage Policy Based Management
Restoring vCenter Server from a backup can lead to the following inconsistencies related to storage
policies, storage providers, and virtual machines.
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Registered storage providers after backup are lost.
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Unregistered storage providers after backup reappear and might show different provider status.
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Changes, such as create, delete, or update, performed on storage policies after backup are lost.
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Changes, such as create, delete, or update, performed on storage policy components after backup
are lost.
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Default policy configuration changes for datastores performed after backup are lost.
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Changes in the storage policy association of the virtual machine and its disks, and in their policy
compliance might occur.
vSphere Installation and Setup
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