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Optionally, application and user certificates created by a Certificate Authority may be used instead of self-signed certificates. These only need to be copied to the server's correct pki store location.
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If the Server’s Application Certificate expires, a new self-signed one can be created by stopping the OPC UA service, deleting the application certificates from the Application Certificate store, the restarting the OPC UA service. The Server’s Application Certificate is unique to the ACM install on a particular server. If the ACM install is moved to a different server, a new certificate will have to be created and copied to all OPC UA client stores. |
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