Path.conf is no longer a configurable setting - Installed X Pack

Hey

I've installed X-Pack 5.6 on Elasticsearch & Kibana. Upon running Upgrade Assistant I've experienced an error and unable to proceed.

The Error I'm getting is below. The Documentation doesn't provide any help either.

Error

path.conf is no longer a configurable setting
This issue must be resolved to upgrade. Read Documentation

This is a Windows 10 Environment.

The config file elasticsearch.yml looks like below:

bootstrap.memory_lock: false
cluster.name: ES_Unit
http.port: 9200
node.data: true
node.ingest: true
node.master: true
node.max_local_storage_nodes: 1
node.name: NodeUnit1
path.data: D:\ProgramData\Elastic\Elasticsearch\Elasticsearch_5_6_0_a\data
path.logs: D:\ProgramData\Elastic\Elasticsearch\Elasticsearch_5_6_0_a\logs
transport.tcp.port: 9300

Please assist.
Thank You

Hey
Bumping up to see if anyone can help please ?

Thank You

How are you starting Elasticsearch? Are you passing any additional configuration at launch?

Hello Ryan,
Thank you for your looking into this.
The Elasticsearch service is running as a windows service. Please find attached screenshot.