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SCO plugin upgrade fails with error: ERROR: Upgrade host: 4HostIndex.status500

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Applies to

  • SnapCenter server
  • RedHat Enterprise Linux

Issue

SCO plugin upgrade fails with error: ERROR: Upgrade host: 4HostIndex.status500

clipboard_e5c2047bb43ac826f0f1e22c8ae9d618c.png

The operation does not create a Plugin Upgrade job in the 'Monitor' tab.

SnapManagerWeb.log on the SnapCenter server (Default path: C:\Program Files\NetApp\SnapCenter WebApp\App_Data\log) shows the error:

INFO  SnapManagerWeb PID=[19112] TID=[147] Connecting to the remote system <host_FQDN> using SSH
ERROR SnapManagerWeb PID=[19112] TID=[147] Exception: Client encryption algorithm not found
ERROR SnapManagerWeb PID=[19112] TID=[147] StackTrace:    at Renci.SshNet.Security.KeyExchange.Start(Session session, KeyExchangeInitMessage message)

Connecting to the Linux host with Putty may show error:

clipboard_e8476a26fbb4f580aca63b699534ea60d.png

 

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