Before an agent registers an asset with the MDB, a UUID is required. The UUID is typically created on the agent computer and stored on the agent computer for future use.
However, because the inventory file is supplied at the server, the Asset Collector uses a unique host key (host_key) in place of the UUID. This can be defined in the inventory file (host_key) or if it is not specified, it is automatically created for the asset. To facilitate the reconciliation process when an agent is installed on the asset, the collected asset data must include at least the MAC address and host name of the asset being registered.
When the Asset Collector generates a host key for an asset, it writes this key back into the inventory file of the asset. The Asset Collector also maintains a list of host names, MAC address pairs, and their associated host keys, which allows the same key to be used if the inventory file is again delivered without a host key.
The list of host keys is written to storage so that it is available the next time the Asset Collector is started. This list can be purged of outdated entries at a configurable interval using a configuration policy, and the age of the data that will be purged is also configurable.
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