An EMC customer is building a backup and recovery solution for their Microsoft SharePoint environment. The solution being considered involves using Avamar to back up a SharePoint distributed farm…

An EMC customer is building a backup and recovery solution for their Microsoft SharePoint environment. The solution being considered involves using Avamar to back up a SharePoint distributed farm. The farm has two web front-end servers and three content databases. According to EMC best practices, how many front-end Avamar VSS plug-ins should be installed to support this environment?