anchor.diff:  * [Create an Elastic IP](#create-eip)
   * [Create and configure Security Groups](#create-security)
   
  -### <a id="credentials"></a>Obtain AWS credentials ###
  -
  -Your AWS credentials consist of an `access_key_id` and a `secret_access_key`.
  +### <a id="credentials"></a>(Optional) Obtain AWS Credentials ###
  +
  +Your AWS credentials consist of an `access_key_id` (ACCESS-KEY-ID) and a `secret_access_key` (SECRET-ACCESS-KEY).
   If you already know your AWS credentials you can skip this step and update 
   `access_key_id` and `secret_access_key` in your MicroBOSH deployment manifest.
   
  
positive.code: 
      <%= image_tag("images/micro-aws/allocate-eip.png") %>
  
  1. Fill in **vip** (replace `ELASTIC-IP-ADDRESS`) in your Deployment Manifest with the Elastic IP **Address** that is allocated.
  
  ### <a id="create-security"></a>Create and Configure Security Groups ###
  
  
negative.code: 
  ### <a id="create-vpc"></a>Create a Virtual Private Cloud ###
  
  <p class="note"><strong>Note</strong>: Currently, light stemcells are only available from the AWS Region of <strong>US East (N. Virginia)</strong>. If you would like to use a light stemcell, you must set this region. The following procedure assumes that you set <strong>US East (N. Virginia)</strong>.</p>
  
  1. On the AWS Console, select **VPC**.
  
  1. Set the AWS Region to **US East (N. Virginia)**.
  
  1. Click **Start VPC Wizard**.
  
  