Vault customers were complaining that the Azure provider does not support VMSS mode. When investigating this bug it was discovered that queries to "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/microsoft.Compute/virtualMachineScaleSets/{virtualMachineScaleSetName}/networkInterfaces" only returns values when VMSS is deployed in Unique mode.
Vault customers were complaining that the Azure provider does not support VMSS mode. When investigating this bug it was discovered that queries to
"/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/microsoft.Compute/virtualMachineScaleSets/{virtualMachineScaleSetName}/networkInterfaces"
only returns values when VMSS is deployed in Unique mode.I've updated the document to call this out.