--- title: "indestructibility unlock" slug: "indestructibility-unlock" tags: ["5.5"] updated: 2026-10-27T23:00:54Z published: 2026-10-27T23:00:54Z canonical: "docs.vastdata.com/indestructibility-unlock" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.vastdata.com/llms.txt > Use this file to discover all available pages before exploring further. # indestructibility unlock This command unlocks the indestructibility mechanism, using a challenge token obtained from VAST Data Support. Before running this command, run [indestructibility generate-token](/docs-5-5/docs/indestructibility-generate-token) to obtain a VMS token and provide the token returned by that command to VAST Data Support in a request for a challenge token. The unlock procedure can only be performed by specially authorized personnel. For more details about the procedure for unlocking indestructibility, see [Indestructible Backups](/docs-5-5/docs/indestructible-backups). #### Usage ```plaintext indestructibility unlock --challenge-token CHALLENGE-TOKEN ``` #### Required Parameters | `--challenge-token CHALLENGE-TOKEN` | Specifies a challenge token supplied on authorized request by VAST Data Support. | | --- | --- | #### Example ```plaintext vcli: admin> indestructibility unlock --challenge-token ****** System unlocked ```