Performance Impact Issuing TLS Certificates with a Third Party Service Provider

Incident
07 October 2025, 17:25 UTC

Performance Impact Issuing TLS Certificates with a Third Party Service Provider

Status: closed
Start: 10 September 2025, 19:50 UTC
End: 07 October 2025, 17:25 UTC
Duration: 26 days 21 hours 35 minutes
Affected Components:
Fastly Third Party Service Provider
Affected Groups:
All Public Users
Update

10 September 2025, 19:50 UTC

10 September 2025, 19:50 UTC

Fastly Engineering has identified a performance impact with issuing TLS certificates through one of our third-party service providers that is currently experiencing an outage. 

Customers may experience a failure obtaining a TLS certificate as a result of this outage. Customers who need assistance with obtaining a TLS certificate can engage with our Support team through https://support.fastly.com  We apologize for this inconvenience and remain readily available to resolve any impact experienced as a result of this event.

Update

10 September 2025, 21:31 UTC

10 September 2025, 21:31 UTC

Our Engineering team has confirmed an issue with our third-party provider, Globalsign, which is impacting Fastly-managed subscriptions.

As a result, the addition of new domains is currently blocked for both brand new subscriptions and modifications to existing ones.

No other services are impacted.

Update

24 September 2025, 19:04 UTC

24 September 2025, 19:04 UTC

Our Engineering team has confirmed that our third-party provider, Globalsign, has identified the contributing factor to the issue impacting Fastly-managed subscriptions and are developing a mitigation strategy. 

No other services are impacted.

Resolved

07 October 2025, 17:25 UTC

07 October 2025, 17:25 UTC

Engineering has confirmed that our third-party provider, Globalsign has resolved the issue that impacted Fastly-managed subscriptions. Domains for new subscriptions and modifying existing ones has been fully restored. Customers may have experienced the inability to obtain new Fastly-managed certificates from 19:50 on the 10th of September 2025 to 16:31 on the 7th of October 2025 UTC.

This incident is resolved.

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Status Post, Created Date/Time: 2025-09-10 19:52:36 UTC 



Note: Our Customer Escalation Management team will update the start date and time of the initial "investigating" status post upon the resolution of this incident. This update is meant to provide our customers and their end users with a potential impact window. The date and time mentioned in the message above indicates when the status post was requested by our Acute Incident Response team.