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Outage in F5 Distributed Cloud

F5 Distributed Cloud - Service Degradation - degradation ingesting and communicating emails - INC-20261112-547

Resolved Minor
November 12, 2026 - Started 1 day ago - Lasted 1 day
Official incident page

Incident Report

Summary AI Generated

A Microsoft service outage disrupted F5's Exchange email infrastructure, rendering the support@cloud.f5.com address unable to send or receive messages for approximately 29.6 hours. This prevented customers from submitting or receiving updates on support cases via email, though the F5 Distributed Cloud Console and all data plane and security services remained fully operational throughout. Email services were fully restored following Microsoft's recovery, with all queued emails subsequently processed.

This advisory is to inform you that we are currently monitoring reports of service degradation and following up with Microsoft regarding email ingestion and communication issues, which are impacting F5 ticket creation due to Microsoft email service disruptions. As part of the broader issues Microsoft is experiencing with its services, F5's support@cloud.f5.com email address is affected. Consequently, we are currently unable to receive new cases via this email address or distribute support case updates through email. Microsoft Outage Reference: https://status.cloud.microsoft/m365/referrer=serviceStatusRedirect The F5 Distributed Cloud Console remains fully operational. Cases can still be created and updated without issue directly through the Console. We ask that all customers engage with F5 Support via the Console or by phone for the remainder of this incident. If you are experiencing critical business impact, please contact our support team through your established alternate channels. Thank you for your continued support and trust in F5.

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Latest Updates ( sorted recent to last )
RESOLVED about 3 hours ago - at 11/14/2026 01:06AM

We have verified that F5 email services are fully restored following Microsoft's recovery from their service outage.
Current Status:
Email Support: You can now send new inquiries and receive updates via support@cloud.f5.com as normal. All incoming emails queued during the outage are now processing.

Support Portal: The MyF5 Support Portal (my.f5.com) remains fully operational for case management.

We apologize for any inconvenience this third-party disruption may have caused and appreciate your patience.

INVESTIGATING 1 day ago - at 11/12/2026 08:34PM

We are experiencing a broader issue due to an ongoing Microsoft service outage affecting F5's Exchange email infrastructure. This may prevent or delay emails sent to or from F5 email addresses.
Current Impact:

Support Email: Customers attempting to contact F5 Support or the F5 Security Operations Center via email (support@cloud.f5.com) and Bot Defense may experience significant delivery delays or undelivered messages.
Operational Services: All F5 Distributed Cloud data plane and security services continue to operate normally. This issue is strictly isolated to email communications.
Alternative Contact Channels:
To ensure your requests are processed without delay, please use the following channels:

MyF5 Support Portal: Open, update, and manage your support cases directly at my.f5.com.
Phone Support: For urgent assistance, reach our support team by phone using the regional numbers listed in MyF5 Article K000135931.
We are continuing to monitor Microsoft's recovery efforts and will provide further updates as they become available.

INVESTIGATING 1 day ago - at 11/12/2026 07:35PM

This advisory is to inform you that we are currently monitoring reports of service degradation and following up with Microsoft regarding email ingestion and communication issues, which are impacting F5 ticket creation due to Microsoft email service disruptions.

As part of the broader issues Microsoft is experiencing with its services, F5's support@cloud.f5.com email address is affected. Consequently, we are currently unable to receive new cases via this email address or distribute support case updates through email.

Microsoft Outage Reference: https://status.cloud.microsoft/m365/referrer=serviceStatusRedirect

The F5 Distributed Cloud Console remains fully operational. Cases can still be created and updated without issue directly through the Console. We ask that all customers engage with F5 Support via the Console or by phone for the remainder of this incident.

If you are experiencing critical business impact, please contact our support team through your established alternate channels.

Thank you for your continued support and trust in F5.

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