The Siemens part number 6AV6361-1HA01-4AJ0 refers to the Process Historian OPC UA Server option for Process Historian 2014 SP3. It’s a runtime software license that includes:

A single license

Downloadable software and license key (email address required for delivery)

Enables OPC UA server functionality for Process Historian

This product was officially discontinued without replacement as of October 1, 2024.

If you're looking to maintain OPC UA connectivity or migrate to a modern historian platform, I can help you explore Siemens’ current offerings or compatible alternatives.