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Plesk Expand offers a set of distributed (or centralized) services.
A distributed service is a service received by several Plesk servers remotely, from a single centralized dedicated server. Such dedicated server (called a Centralized Server) is allocated for providing this service to several or all users registered on other Plesk servers. This allows to reduce the workload on each Plesk server, optimize the overall system performance, and helps to quickly and easily detect and resolve typical service issues.
Three such services - Centralized Mail, Centralized DNS and Centralized Databases - are available in Plesk Expand. This chapter provides detailed information on how you can manage these services.