Azure Reliability Navigator

Azure SLAs.
Finally at a glance.

Understand availability, compare services, and put downtime into perspective — without spreadsheet chaos.

SERVICES

Find your SLA

The complete Azure SLA catalog — contractual sections for tiers and features are grouped under their actual service.

Data reviewed
129 Services
CALCULATOR

What do
four nines mean?

Just one additional nine makes a dramatic difference. Move the slider to see how much potential downtime remains.

FORMULA Downtime = Period × (1 − SLA)
TARGET AVAILABILITY SLA TARGET
99.99%
99%99.9%99.95%99.99%99.999%
PER DAY8s 38ms
PER MONTH4m 23s
PER YEAR52m 34s

Calculated using 30.44 days per month. Values are estimates.

Important notice SLAzure is a reference guide, not a contractual document. Product SLAs vary by region, tier, and configuration. Always review the latest Microsoft terms before making architecture decisions.

SLAzure is an independent project operated by ViganoLabs. It is not an official Microsoft project and is not affiliated with, endorsed by, or sponsored by Microsoft.

Official SLAs

SLA available No SLA / target only Downtime is based on 30.44 days.
ConfigurationCovered scopeSLAMax. / month
Official SLA details