Enable CA Certificates for plug-ins
You should configure the CA certificates and deploy the CA certificates in the SnapCenter Server and the corresponding plug-in hosts. You should enable the CA certificate validation for the plug-ins.
What you will need
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You can enable or disable the CA certificates using the run Set-SmCertificateSettings cmdlet.
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You can display the certificate status for the plug-ins using the Get-SmCertificateSettings.
 
The information regarding the parameters that can be used with the cmdlet and their descriptions can be obtained by running Get-Help command_name. Alternatively, you can also refer to the SnapCenter Software Cmdlet Reference Guide.
Steps
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In the left navigation pane, click Hosts.
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In the Hosts page, click Managed Hosts.
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Select single or multiple plug-in hosts.
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Click More options.
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Select Enable Certificate Validation.
 
After you finish
The Managed Hosts tab host displays a padlock and the color of the padlock indicates the status of the connection between SnapCenter Server and the plug-in host.
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 indicates that the CA certificate is neither enabled nor assigned to the plug-in host. - 
 indicates that the CA certificate is successfully validated. - 
 indicates that the CA certificate could not be validated. - 
 indicates that the connection information could not be retrieved.When the status is yellow or green, the data protection operations completes successfully.