1. A dispersed data storage system comprises: a plurality of slice servers, wherein a first set of the plurality of slice servers supports a first virtual digital data storage vault and a second set of the plurality of slice servers supports a second virtual digital data storage vault, wherein a slice server of the plurality of slice servers is in the first set and is in the second set, and wherein the slice server functions to: receive a request to access a virtual digital data storage vault; determine whether the virtual digital data storage vault is the first or the second virtual digital data storage vault; when the virtual digital data storage vault is the first or the second virtual digital data storage vault, determine whether the request is valid; and when the request is valid, execute the request to generate a response.