Product : Microsoft Corp, Azure Stack/1903, IaaS + PaaS
Feature : Metadata URL, Compute, Infrastructure Services
Content Owner:  Bhagyashri (Shri) Bhagvat
Summary
While Azure has an Instance Metadata service, this functionality is not currently supported on Azure Stack
Details
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-vm-considerations