Microsoft warned that Azure customers could see increased latency after multiple undersea fiber-optic cables were cut in the Red Sea, forcing emergency rerouting of traffic and exposing fragile single points in global cloud and internet infrastructure.
Background
The disruption began on...
A sudden cluster of undersea fiber cuts in the Red Sea has forced Microsoft Azure and other cloud and carrier operators to reroute traffic, producing measurable latency and slower internet performance across parts of South Asia, the Gulf and beyond—an event that exposes how a handful of damaged...
Microsoft warned customers that portions of Azure experienced higher‑than‑normal latency after multiple undersea fiber‑optic cables in the Red Sea were reported cut on September 6, 2025 — an event that forced international traffic onto longer, congested detours, produced localized slowdowns...
Microsoft has warned customers that parts of Azure may show higher‑than‑normal latency after multiple undersea fiber‑optic cables in the Red Sea were reported cut on 6 September 2025, forcing traffic onto longer detours while carriers and cloud operators reroute and rebalance capacity...
azure service health
bgp
capacity-rebalancing
cloud resilience
connectivity
cross-region
disasterrecovery
expressroute
internet backbone
latency
microsoft azure
red sea
routing
subsea cables
traffic engineering
Microsoft Azure experienced measurable increases in network latency after multiple undersea fibre cuts were detected in the Red Sea, forcing cloud traffic between Asia, Europe and the Middle East onto alternate, longer paths and exposing brittle points in the world’s physical internet backbone...
Microsoft confirmed that parts of its Azure cloud footprint experienced noticeable disruptions after multiple undersea fibre‑optic cables in the Red Sea were cut, forcing engineers to reroute traffic and apply emergency traffic‑engineering measures while carrier repairs were planned.
Background...
Multiple undersea fibre-optic cables in the Red Sea were cut in early September, producing widespread internet slowdowns and raising fresh questions about the fragility of the global network that underpins cloud services, financial markets and everyday communication across Asia, the Middle East...
Microsoft confirmed that parts of its Azure cloud experienced higher‑than‑normal latency after multiple undersea fiber‑optic cables in the Red Sea were cut, forcing traffic onto longer detours and exposing a brittle chokepoint in the global internet backbone. Background
The global internet — and...
azure service health
bgp routing
carrier
cloud resilience
disasterrecovery
internet backbone
latency
microsoft azure
network outages
red sea
rtt
subsea cables
traffic engineering
Microsoft confirmed that parts of Azure are seeing higher‑than‑normal network latency after multiple undersea fiber‑optic cables in the Red Sea were cut, forcing traffic onto longer detours while carriers and cloud engineers reroute, rebalance capacity, and schedule repairs.
Background
The...
Multiple undersea fiber‑optic cables in the Red Sea were cut on September 6, 2025, triggering widespread latency and connectivity problems for traffic between Asia, the Middle East and Europe and forcing cloud operators — most visibly Microsoft Azure — to reroute traffic while repair and...
Microsoft Azure customers worldwide experienced elevated latency and intermittent slowdowns after multiple undersea fiber‑optic cables in the Red Sea were damaged, forcing traffic onto longer detours while Microsoft rerouted and rebalanced network flows and coordinated with carriers and cable...
Microsoft’s cloud customers were jolted on September 6 when Microsoft confirmed that multiple international subsea fiber-optic cables in the Red Sea had been cut, producing measurable latency and service degradation for Azure traffic that transits the Middle East corridor and forcing engineers...
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cloud solutions
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expressroute
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microsoft
microsoft azure
network resilience
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repair vessels
subsea cables
Microsoft’s Azure network teams reported an operational disruption after multiple undersea fiber-optic cables in the Red Sea were damaged, forcing traffic to detour and producing elevated latency for flows between Asia, the Middle East and Europe; reports and Microsoft’s own service notices...
Microsoft has warned customers that Azure performance in and through the Middle East may be degraded after multiple undersea fibre-optic cables in the Red Sea were cut, forcing traffic to be rerouted and raising fresh questions about the fragility of the global internet backbone and cloud...
azure service health
capacity planning
cdn
cross-region
disasterrecovery
edge compute
internet backbone
latency
microsoft azure
network resilience
red sea
routing
subsea cables
Microsoft has warned Azure customers they may see higher-than-normal latency and intermittent slowdowns after multiple undersea fiber-optic cables in the Red Sea were cut, forcing traffic onto longer detours while engineers reroute and rebalance capacity to limit customer impact. Background /...
bgp
cloud resilience
control plane
data-plane
disasterrecovery
expressroute
internet backbone
latency
microsoft azure
red sea
subsea cables
traffic engineering
Microsoft Azure users experienced elevated latency and disrupted connections after multiple undersea fibre-optic cables in the Red Sea were cut on September 6, 2025, forcing cloud traffic to be rerouted through longer, more congested paths and exposing fragilities in the global internet backbone...
Microsoft warned that parts of its Azure cloud “may experience increased latency” after multiple undersea fiber‑optic cables in the Red Sea were cut, forcing traffic onto longer alternate routes while engineering teams reroute, rebalance and monitor affected flows. Background / Overview
The Red...
Microsoft’s Azure cloud is reporting elevated latency and patchy performance after multiple undersea fiber‑optic cables in the Red Sea were cut, forcing traffic onto longer, less direct routes while carriers and cloud operators reroute and rebalance capacity to limit customer impact.
Background...
cable repair
cloud resilience
cross-region
disasterrecovery
expressroute
latency
microsoft azure
red sea
service health
subsea cables
traffic engineering
Microsoft has warned Azure customers they may see elevated latency and intermittent service degradation after multiple undersea fiber‑optic cables in the Red Sea were cut, forcing traffic onto longer detours while carriers and cloud operators reroute and prepare for repairs. Background
The...
Microsoft has warned that users of its Azure cloud may see higher-than-normal latency and intermittent disruptions after multiple undersea fiber-optic cables in the Red Sea were cut, forcing traffic onto longer alternate routes while repair work and global rerouting continue. Background
The Red...