RewindexOutage eventsJul 18, 2024
Azure central us outage, Jul 18, 2024
9 vendors posted 8 incidents between 22:00 on Jul 18 and 08:00 on Jul 19 UTC, against about 10 incidents from 5 vendors in the same hours on an ordinary week. 6 vendors named Azure in 5 incidents (1 of them blamed it). Vendors reported an Azure outage; Azure’s own incident for this date is not in the archive.
Observed, not verified. A line means a vendor’s incident named another vendor, or started in the same window. It is not a proven cause.
Times are UTC; lags are from when the first vendor named Azure.
- first vendor named Azure 22:00
How it spread
Vendors that named Azure, grouped by when they posted, and vendors that blamed one of the vendors Azure took down. Solid lines: the vendor named the other. Dashed: same window, not named.
Swipe sideways to see the whole diagram.
Mermaid source
flowchart LR
root["Azure central us<br/>own incident not archived"]:::inferred
h1["Within an hour<br/>5 vendors, 1 blamed Azure<br/>MongoDB Atlas, Confluent, GitHub, GitHub Copilot +1"]:::blames
root --> h1
later["Later<br/>1 vendor<br/>Contentstack"]:::names
root --> laterVendors that named Azure
In their own words. “Blames” means a causal phrase sits next to the name (“due to”, “upstream provider”…).
Within an hour
4 vendors
- Incident, no impact listed
+0 min
Blames Azure
MongoDB AtlasMicrosoft Azure Incident: Degraded performance for Atlas Device Sync
…Microsoft Azure Incident: Degraded performance for Atlas Device Sync An Azure outage impacted Sync users, causing very delayed syncing during the outage and the system auto-recovered once the outage w…
- Major incident
+37 min
Names Azure
ConfluentConfluent Cloud clusters in Azure CentralUS experiencing availability degradation
…Confluent Cloud clusters in Azure CentralUS experiencing availability degradation This incident has been resolved.…
- Minor incident
+47 min
Names Azure
GitHuband GitHub CopilotIssues enabling actions and running jobs on GitHub
…r register self-hosted runners. This was caused by an unreachable backend resource in the Central US region. That resource is configured for geo-replication, but the replication configuration prevente…
- Minor incident
+56 min
Names Azure
Elastic CloudESS Deployments in Azure US Central may be experiencing intermittent connectivity issues
…ESS Deployments in Azure US Central may be experiencing intermittent connectivity issues Azure Central US service has returned to an operational state.…
Later
1 vendor
- Minor incident
+9 h 5 min
Names Azure
ContentstackContentstack AWS, Azure and GCP All Regions - Contentstack Support Service outage
…Contentstack AWS, Azure and GCP All Regions - Contentstack Support Service outage This incident has been resolved.…
Same window, did not name anyone
3 incidents started during the event without naming Azure or another vendor. Some are part of it, some are a normal day’s background (about 10 in these hours).
Show all 3
- +6 minMinor incident
- +45 minCritical incident
- +46 minCritical incident
Detected automatically from 8 status pages opening incidents in the peak hour (normally at most 5). Mentions are matched by name in each incident’s title and updates, then classified as cause, location or integration; quoted text is the vendor’s. Vendors that share one status page are shown once.