proper way to RENAME A CLIENT IN AVAMAR if hostname changes

In Avamar Administrator, the client name must always be the client hostname. Whenever you should change the client name in Avamar Administrator because the client hostname changed, shut down the Avamar software on the client computer. Change the client name by way of this procedure, and then restart the Avamar client software. This action is the only way to ensure that the client maintains its registration with the Management Console Server (MCS) database, which ensures that past backups continue to be associated with the client.

Steps
1. In the AUI navigation pane on the left, click , and then click Asset Management.
2. In the domain tree, select the domain for the client.
3. In the list of clients, select the client that you want to edit.
You can only view clients in the domain for the login account. To view all clients, log in to the root domain.
4. Click MORE ACTIONS > Edit Client.
The Edit Client window is displayed.
5. Edit the name, contact information, or location information for the client.
6. Click UPDATE.
A confirmation message is displayed.

Reference:

Avamar 19.4 Admin Guide (p. 66)

https://dl.dell.com/content/manual22900726-avamar-19-4-administration-guide.pdf?language=en-us

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