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SnapCenter plug-in host forcibly closed by remote host

Last Updated:

Applies to

  • SnapCenter Server
  • SnapCenter Plug-in for SQL
  • SnapCenter Plug-in for Exchange


  • Backups immediately fail
  • GUI shows Host Down and the SnapManagerWeb_<JOB>.log logs show the following error:
The underlying connection was closed: An unexpected error occurred on a send. Unable to read data from the
transport connection: An existing connection was forcibly closed by the remote host. An existing connection was forcibly closed by
the remote host

On the plugin host's event viewer, the below warning messages are shown:

HttpEvent              15021   An error occurred while using SSL configuration for endpoint  The error status code is contained within the returned data.

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