Otava incident
MM1 - Internet Connectivity Degradation - 5/13/2026
Otava experienced a major incident on May 13, 2026 affecting Colocation Services (Power, Cooling) and Data Center Networking Infrastructure and 1 more component, lasting 4d 20h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 13, 2026, 11:49 PM UTC
Otava Engineers are currently investigating the issue. Otava will provide updates as they become available. Impact: We are investigating reports of degraded network access for colocation customers in the Mid-Michigan datacenter.
- investigating May 14, 2026, 01:35 AM UTC
We are continuing to investigate this issue.
- monitoring May 14, 2026, 04:27 AM UTC
OTAVA engineers have identified the cause of the disruption and have implemented measures to remediate the issue. We are seeing connectivity return to normal at this time. We will continue to monitor for anomalies over the next 24 hours.
- monitoring May 14, 2026, 04:28 AM UTC
We are continuing to monitor for any further issues.
- investigating May 14, 2026, 10:54 AM UTC
We are currently investigating reports of degraded network connectivity impacting customers hosted in the Mid-Michigan datacenter. Further updates will be provided as more information becomes available.
- monitoring May 14, 2026, 12:49 PM UTC
OTAVA engineers have identified the cause of the disruption and have implemented measures to remediate the issue. We are seeing connectivity return to normal at this time. We will continue to monitor for anomalies over the next 24 hours.
- investigating May 14, 2026, 05:54 PM UTC
We are currently investigating reports of degraded network connectivity impacting customers hosted in the Mid-Michigan datacenter. Further updates will be provided as more information becomes available.
- investigating May 14, 2026, 07:18 PM UTC
We are continuing to investigate this issue. Further updates will be provided as more information becomes available.
- monitoring May 14, 2026, 08:20 PM UTC
A fix has been implemented and we are monitoring the results.
- investigating May 14, 2026, 08:41 PM UTC
We are currently investigating this issue.
- identified May 14, 2026, 10:34 PM UTC
OTAVA network engineers have identified the issue and are currently reviewing several implementations for remediation. Network connectivity may continue to be unstable as changes are applied and tested.
- identified May 15, 2026, 12:00 AM UTC
OTAVA engineers continue to investigate and mitigate the ongoing connectivity degradation. Customers may continue to experience intermittent connectivity issues while remediation efforts are underway. We will provide additional updates as more information becomes available.
- identified May 15, 2026, 01:08 AM UTC
OTAVA engineers are continuing to mitigate the ongoing connectivity degradation. Customers may continue to experience intermittent connectivity issues while remediation efforts are underway. We will provide additional updates as more information becomes available.
- identified May 15, 2026, 02:00 AM UTC
OTAVA engineers are continuing to mitigate the ongoing connectivity degradation. Customers may continue to experience intermittent connectivity issues while remediation efforts are underway. We will provide additional updates as more information becomes available.
- monitoring May 15, 2026, 02:30 AM UTC
OTAVA engineers have identified the cause of the disruption and have implemented measures to remediate the issue. We are seeing connectivity return to normal at this time. We will continue to monitor for anomalies over the next 24 hours.
- investigating May 15, 2026, 04:02 PM UTC
OTAVA engineers are investigating additional reports of latency. Customers may continue to experience intermittent connectivity issues while remediation efforts are underway. Additional details and information will be made available as quickly as possible.
- investigating May 15, 2026, 04:27 PM UTC
OTAVA Engineers have and continue to take appropriate and proactive measures to address the recent internet connectivity degradation and are actively working with our upstream Internet Service Providers to further strengthen protections against potential denial-of-service (DoS) events. At this time, safeguards are being implemented to enhance service stability as we continue to troubleshoot and monitor the environment to ensure ongoing performance. Our teams remain fully engaged with the ISPs and will provide updates as needed. Please Note: Customers who are using Cloudflare proxy services still may be experiencing degradation of services. OTAVA engineers are working with the impacted ISP to resolve the issue.
- investigating May 15, 2026, 05:51 PM UTC
OTAVA engineers are continuing to engage with upstream ISP engineers to resolve on-going issues. Additional details and information will be made available as quickly as possible.
- investigating May 15, 2026, 07:21 PM UTC
OTAVA engineers are continuing to engage with upstream ISP engineers to resolve on-going issues. Additional details and information will be made available as quickly as possible.
- investigating May 15, 2026, 08:28 PM UTC
OTAVA engineers are continuing to engage with upstream ISP engineers to resolve on-going issues and implement mitigation tools. Additional details and information will be made available as quickly as possible.
- identified May 16, 2026, 03:46 AM UTC
OTAVA engineers are continuing to adjust upstream ISP remediation methods to resolve on-going connectivity issues. Additional details and information will be made available as quickly as possible.
- identified May 16, 2026, 02:09 PM UTC
OTAVA and ISP engineers continue to monitor and validate remediation efforts related to the connectivity degradation. Some customers may continue to experience connectivity issues and are encouraged to open a support ticket or contact OTAVA Support directly via the support line. Please include the affected destination IP address, source IP (if available), and protocol details so our teams can review and implement any necessary whitelist adjustments as quickly as possible with the ISPs.
- identified May 16, 2026, 03:26 PM UTC
ISP engineers are whitelisting IPs while OTAVA engineers validate connectivity. Some customers may continue to experience connectivity issues and are encouraged to open a support ticket or contact OTAVA Support directly via the support line. Please include the affected destination IP address, source IP (if available), and protocol details so our teams can review and implement any necessary whitelist adjustments as quickly as possible with the ISPs.
- identified May 16, 2026, 04:47 PM UTC
ISP engineers are continuing whitelisting IPs while OTAVA engineers validate connectivity. Some customers may continue to experience connectivity issues and are encouraged to open a support ticket or contact OTAVA Support directly via the support line. Please include the affected destination IP address, source IP (if available), and protocol details so our teams can review and implement any necessary whitelist adjustments as quickly as possible with the ISPs.
- identified May 16, 2026, 06:27 PM UTC
ISP engineers have whitelisted IPs while OTAVA engineers validated connectivity. OTAVA customers who are still experiencing issues, please contact OTAVA support at your earliest convenience. Please include the affected destination IP address, source IP (if available), and protocol details so our teams can review and implement any necessary whitelist adjustments as quickly as possible with the ISPs.
- monitoring May 16, 2026, 09:43 PM UTC
ISP engineers have whitelisted IPs while OTAVA engineers validated connectivity. OTAVA customers who are still experiencing issues, please contact OTAVA support at your earliest convenience. Please include the affected destination IP address, source IP (if available), and protocol details so our teams can review and implement any necessary whitelist adjustments as quickly as possible with the ISPs.
- monitoring May 17, 2026, 02:54 PM UTC
ISP engineers have whitelisted IPs while OTAVA engineers validated connectivity. OTAVA customers who are still experiencing issues, please contact OTAVA support at your earliest convenience. Please include the affected destination IP address, source IP (if available), and protocol details so our teams can review and implement any necessary whitelist adjustments as quickly as possible with the ISPs.
- monitoring May 17, 2026, 11:39 PM UTC
DDoS attack activity has decreased, and ISP mitigation efforts remain active while connectivity validation continues. OTAVA and ISP engineers are continuing to review customer traffic and application functionality. Customers who are still experiencing issues are encouraged to contact OTAVA Support and provide affected destination IP addresses, source IPs (if available), protocol/port information, timestamps, and application details so our teams can investigate and coordinate any additional mitigation or whitelist adjustments with the ISP as quickly as possible.
- monitoring May 18, 2026, 03:52 PM UTC
The DoS activity has subsided, and network stability has largely returned to normal operation. OTAVA and ISP engineers continue to monitor the environment and validate connectivity across customer services. Customers who continue to experience connectivity or application issues are encouraged to contact OTAVA Support with affected destination IP addresses, source IPs (if available), protocol/port information, timestamps, and application details so our teams can review and coordinate any additional whitelist adjustments with the ISP if necessary.
- monitoring May 18, 2026, 07:47 PM UTC
ISP engineers are currently tuning down DoS mitigation measures to enhance network stability. Customers who continue to experience connectivity or application issues are encouraged to contact OTAVA Support with affected destination IP addresses, source IPs (if available), protocol/port information, timestamps, and application details so our teams can review and coordinate any additional adjustments as necessary.
- resolved May 18, 2026, 08:21 PM UTC
This incident has been resolved.
- postmortem May 18, 2026, 08:21 PM UTC
Event: The Mid-Michigan \(MM\) data center experienced a Denial of Service \(DoS\) event impacting connectivity to the data center. Start Time: 5-13-2026, Wednesday 7:13 PM ET Resolved Time: 5-18-2025 , Monday 3:40 PM ET Cause: A Denial of Service \(DoS\) event impacted network connectivity at the Mid-Michigan site. Resolution: Internet Service Provider \(ISP\) and OTAVA engineers implemented routing and networking configuration changes such as geoblocking, Access Control Lists \(ACL\) changes, black hole routing and service provider AI-Powered DoS Protection. More information will be provided when the RCA is available.