I am a user of the metered connection hack to control the timing of my update downloads. Please be aware that Microsoft Office updates won't happen when you have metered connection set. Office detects that updates are available and reminds you of that fact. However, when you go through the series of prompts to actually get the update to download the download will silently fail. This is despite the fact that it detects you have 'metered connection' set and verifies that you would like to override it for the purpose of the download. I found that in order to get the update I needed to temporarily disable the metered connection setting. I spent quite a number of cycles trying to figure out why the Office update would not complete.
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