The Siemens part number 6AV6361-1HA01-4AB0 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

A USB flash drive containing the license key

Designed to enable 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.