First post here.
I have a fully setup ArcGIS Enterprise (10.6.1) - Portal, server, web adapters etc
All sit on the one server.
I can publish anything to the portal and have hosted services created without issue.
My one issue is when trying to publish SLPK files. Admittedly they are large (around 4 gig each). So I can't share them from ArcGIS Pro like normal. I use the Share Package tool and upload it to my portal. The user I am connecting as has full administration rights on portal and server.
Once it's uploaded, I do not have a 'Publish' button in order to create a hosted service and build some sweet scenes and apps.
I have double checked the data stores and both the managed database and tile cache setup and validated.
The enterprise is federated with the webadaptors and due to being able to send feature data and services up (both referenced and copied) to the portal without issue has me perplexed. Note the lack of 'publish' button:
I can't seem to find anyone else with the same issue.