Azure services SLAs

The financially backed SLA for most Azure cloud services is 99.95% (meaning 21.56 minutes of possible downtime a month), including planned downtime. The actual uptime of most Azure services is significantly higher. In most cases, the uptime is over five nines (less than 25.9 seconds of downtime a month!).

Azure Functions are backed by a 99.95% SLA.

The uptime SLA is structured in the following manner:

Monthly uptime percentage

Service Credit

< 99.95%


< 99%



Here, Service Credit is the percentage of the monthly service fee credited to the customer upon claim approval, and the monthly uptime is calculated using the following formula:

The maximum available minutes are a sum of minutes when ...

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