Support for Stateless vSphere ESXi Hosts

KB Number:


An administrator may wish to add a stateless vSphere ESXi host to a site, and may wonder how this sort of configuration would affect Zerto Virtual Replication.  This article explains the ramifications.


Stateless ESXi hosts boot via PXE, and obtain their state from the vCenter Server to which they are registered.  A result of this is that anything residing on internal storage, in active memory, does not survive a reboot.

Zerto Virtual Replication data is stored entirely in VM configurations and datastores.  Additionally, when a host is rebooted, its identifiers, used by Zerto Virtual Replication, are preserved.  As such, whether in normal operation, or following a reboot, the administrator will encounter no issue when running Zerto Virtual Replication in an environment with stateless ESXi hosts.

Affected Versions:
2.0 Update 2 (Wolf 159) and higher

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