OmniVista Cirrus is undergoing a planned maintenance to upgrade to a newer version (1.0.2), on 4th June 2018 between 2:00 to 2:30 UTC.
So, these OmniVista Cirrus services will be unavailable during this time.
• Activation Service - activation.myovcloud.com
• Registration Service & Freemium OV - registration.ovcirrus.com
Please plan your work accordingly.