Vault Enterprise allows using namespaces to isolate multiple Vaults on a single Vault server. Configuring a namespace by setting spring.cloud.vault.namespace=… enables the namespace header X-Vault-Namespace on every outgoing HTTP request when using the Vault RestTemplate or WebClient.spring-doc.cn

Please note that this feature is not supported by Vault Community edition and has no effect on Vault operations.spring-doc.cn

See also: Vault Enterprise: Namespacesspring-doc.cn