[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [renamePurchasedServer](./bitburner.ns.renamepurchasedserver.md) ## NS.renamePurchasedServer() method Rename a purchased server. Signature: ```typescript renamePurchasedServer(hostname: string, newName: string): boolean; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | hostname | string | Current server hostname. | | newName | string | New server hostname. | Returns: boolean True if the upgrade succeeded, and false otherwise. ## Remarks RAM cost: 2.00 GB