You rely on Jackrabbit Class every day, so we guarantee 99.9% system uptime. We understand that system availability is important. With redundancy, 24/7 monitoring and fault-tolerant engineering, our network infrastructure is designed to handle your critical business software needs every day of the year. Planned maintenance and upgrades are performed on weekends and never during high user activity. We always send out advanced notice to your organization’s primary Jackrabbit Class administrator of any planned system downtime.