You can be notified whenever the system may be unavailable - for example for scheduled maintenance windows.

Just click on the Intercom IM button in the bottom right hand corner of any console screen:

You'll then see a clickable link box:

Click on this and it takes you to the system status page (at, illustrated below, which provides the option to subscribe. Enter your email address. You will the receive an email to your inbox asking you to confirm your subscription.

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