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A High Availability (A) System in the virtualization we can offer you from two servers and one storage systems, based on Citrix XenServers. Up to 16 physical servers can be implemented in a HA network. If a server fails the virtual servers will be started automatically within one minute on another physical server.

Thanks to additional software even a failure tolerant system is possible. This means a physical server can be shut off without being recognized by another connected system. That is different to a HA System. Here the failure of a physical server would be recognized at once by the physical server.