NetBackup status code: 3904
Message: Connection to the External Credential Management System server fails using the provided credential name or port number.
Explanation: The connection to the External Credential Management Server fails because the provided information such as hostname, port, credentials, or certificates are incorrect.
Recommended Action: Verify if the hostname, port, certificates, or credentials are valid so that the connection with the External Credential Management System server can be established.
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