Microsoft Azure vs Heroku - Uptime & Outage Comparison
Compare uptime, outage statistics, and incident history between Microsoft Azure and Heroku. See which service has better reliability.
Note: Each service has different practices when updating its status page. One service may report more incidents due to transparency, not necessarily worse reliability. Compare these stats with context.
Microsoft Azure
Status monitoring since December 2021
Operational
Microsoft Azure Incident Statistics
4
Last 7 days
7
Last 30 days
16
Last 90 days
Recent Microsoft Azure Incidents
Resolved
7 days ago
MITIGATED — DNS Resolution Issues for Azure Domains via Cisco Umbrella (OpenDNS)
Customers using Cisco Umbrella (OpenDNS) experienced DNS resolution issues when accessing portal.azure.com and other ...
Resolved
7 days ago
ACTIVE – DNS Resolution Issues for Azure Domains via Cisco Umbrella (OpenDNS)
Customers using Cisco Umbrella (OpenDNS) experienced DNS resolution issues when accessing portal.azure.com and other ...
Resolved
7 days ago
ACTIVE – DNS Resolution Issues for Azure Domains via OpenDNS
Customers using OpenDNS are experiencing DNS resolution failures when accessing portal.azure.com and other Azure serv...
Heroku
Status monitoring since April 2020
Operational
Heroku Incident Statistics
0
Last 7 days
0
Last 30 days
1
Last 90 days
Recent Heroku Incidents
Resolved
3 months ago
Service Disruption on Heroku
Earlier today, an infrastructure provider impacted parts of the Heroku Platform, causing disruption across the majori...
Resolved
3 months ago
Investigating an issue with elevated H99 Errors
Beginning at 23:17 UTC on September 24, 2025 and continuing until 00:39 UTC on September 25, 2025, impacted customers...
Resolved
4 months ago
Investigating an Issue with Heroku AI responses for gpt-oss-120b model
Heroku engineers are investigating a decline in successful API responses from the gpt-oss-120b AI model in US region.
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