Fileshare support running under Enterprise Server is provided using iFileshare (integrated Fileshare). You can configure iFileshare in its own Enterprise Server region, or you can add the capability to an existing Enterprise Server region. This configuration should replace your stand-alone Fileshare configuration.
A more robust configuration than an iFileshare server running in single mode is one running in a high availability group. A high availability group consists of a primary iFileshare server and one or more standby servers. Data files within the primary iFileshare server are replicated to all standby servers. In the event of your primary server failing, you have an up-to-date copy (minus any in-flight transactions) of your data files, and so one of the standby servers can assume the role of primary server; this process can occur automatically, or be performed manually.
Using these new Fileshare configurations, instead of a standalone Fileshare configuration, gives you the following benefits: