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eSight V300R010C00SPC200, 300, and 500 Operation Guide 09

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Obtaining the ESN

Obtaining the ESN

eSight uses the character string generated after the Media Access Control (MAC) address is encrypted as the unique ESN of a device.


For a two-node cluster, you need to obtain the ESNs of the active and standby servers and separate them with a comma (,) to obtain a license for the system.


  • You have the permission to update the license.
  • You have obtained the MAC address of the eSight server.


  1. The navigation path to obtain the ESN varies depending on license state.

    • If the license is in the validity period or trial state: Choose System > System Management > License Management. On the License Management page, click Obtain ESN to obtain the ESN.
    • If the license is in trial, invalid, or expired state: Log in to eSight. On the license interception page that is displayed, click here next to If no license file is available to obtain the ESN.

  2. Obtain the ESN.

    • Physical machine scenario
      • By selecting a MAC address: This method is used only to obtain the ESN of the current logged-in server.

        The drop-down list shows the MAC addresses of the network adapters on the current server. If the server has multiple network adapters, you can select multiple MAC addresses. If network adapters corresponding to the selected MAC addresses are faulty during routine maintenance, the license may become invalid.

      • By entering a MAC address: This method is used to obtain the ESN of another server or the current logged-in server.

      In the physical machine scenario, ESNs of both the physical machine and VM are displayed.

    • VM scenario: The unique ESN of the VM is displayed.

      In the VM scenario, only the ESN of the VM is displayed.

Updated: 2019-09-12

Document ID: EDOC1100044378

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