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Access the machine's API documentation at https://si2381/api, replace si2381 with the actual ID of the machine. Navigate to the OPC UA Documentation and look for the Endpoint URL.
Stratasys
Open the Stratasys Control Center
Navigate to the Services tab and click on Manage FDM Systems
The IP Address will be in the second column from the right
HP
Either:
Obtain the IP address of the device that is running the HP SmartStream 3D Command Center Server and append the port
8443.
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