Outage in Centera Security
Microsoft Online Exchange issues
Resolved Major
August 29, 2025 - Started about 1 month ago
- Lasted 6 days
Need to monitor Centera Security outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Centera Security, and never miss an outage again.
Start Free Trial
Outage Details
We currently see issues with Exchange Online responding with error "451 4.7.0 Temporary server error. Please try again later. PRX4 NextHop: substrate-int.office.com".
The error points to a NextHop issue with the substrate-int.office.com server, suggesting a potential routing or connectivity problem within the Exchange Online infrastructure.
All messages is in queue on our platform and will be constant retried to get delivered.
Latest Centera Security outages
Scheduled work on ISP connection - 19 days ago
Microsoft Online Exchange issues - about 1 month ago
Issue found and solution in progress - about 1 month ago
Investigating ISP issues - about 1 month ago
We are currently experiencing DDOS traffic against our ISP - about 2 months ago
Be the First to Know When Vendors Go Down
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 4522 services available
Integrations with
