Add Azure App Registration help to docs
Link to an existing guide that makes it clearer how to create an
App Registration, whether through the Azure portal, or CLI. Clarify that
the Application ID is what needs to be placed in the clientID config
parameter.
@@ -1048,7 +1048,8 @@ azureud:
* `storageAccessKey` is required, and is a valid access key associated with the
`storageAccount`.
* `clientID` is required, and is the UUID of your client, which was created as
- an App Registration within your Azure active directory account.
+ an App Registration within your Azure active directory account. When creating
+ an App Registration, this ID is shown as the Application ID.
* `clientSecret` is required if `certPath` is not provided instead. It is a
valid access key associated with `clientID`, and is managed as part of the App
Registration.
@@ -1078,6 +1079,9 @@ To activate the Azure UD driver please follow the instructions for
the driver name.
#### Troubleshooting
+* For help creating App Registrations, the steps in
+ [this guide](https://www.terraform.io/docs/providers/azurerm/index.html#creating-credentials)
+ cover creating a new Registration using the Azure portal and CLI.
* After creating your app registration, you must go into the
`Required Permissions` tab and grant access to "Windows Azure Service
Management API". Choose the delegated permission for accessing as organization
