Technical support for all Windows Azure services released to General Availability, including Traffic Manager, is available through Windows Azure Support, starting at $--/month. Billing and subscription management support is provided at no cost. Technical support is also available free of charge through community forums.
We guarantee that DNS queries will receive a valid response from at least one of our Windows Azure Traffic Manager name server clusters at least 99.99% of the time. Availability is calculated over a monthly billing cycle. To learn more about our SLA, please visit the SLA page.