> Configuration > Unmanaged device discovery > Discovering devices > Discovering virtual hosts

Discovering VMWare ESXi virtual hosts

Unmanaged device discovery can discover VMWare ESXi 3, 4, and 5 virtual hosts. The discovery process is agentless and doesn't require that you install anything on the ESXi hosts. You will have to configure a single, common set of credentials for the ESXi hosts that you want to discover. The discovery process uses these credentials to connect to the host and remotely scan it.

Here's an overview of the configuration and scanning process:

  1. Add an account to your ESXi hosts. Make sure all hosts share the same user name and password for this account.
  2. Enter the shared account credentials in Tools > Configure Services on the OS Virtualization tab.
  3. Run an unmanaged device discovery scan. Make sure you've selected Discover virtual hosts. For more information, see Discover unmanaged devices with UDD.
  4. Discovered ESXi hosts appear in the UDD Virtual hosts tree item.
  5. Select the discovered hosts, right-click them, and click Copy to inventory database.
  6. Manage the discovered hosts by clicking Network View > Virtual OS hosts > All virtual OS hosts. Right-clicking one shows you the available options.

Discovery problems with VMWare ESXi hosts using default self-signed certificates

When installing ESXi, you have the option of using a built-in, self-signed certificate. The problem with this certificate is that the ESXi hostname defaults to "localhost" and the hostname won't be unique on the network or to UDD. UDD treats all hosts with the same hostname as a single host, resulting in a single entry in the inventory database for all hosts sharing that hostname.

VMWare strongly recommends that you not use the self-signed certificate in a production environment. For virtual host discovery to work correctly, all ESXi installations must have a unique CA-signed SSL certificate and hostname. See the following links for more information:

 


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