Urgent Scheduled Maintenance Notification for F5 Distributed Cloud DNS Service - Global - Impact: Non-Disruptive

Scheduled for Mar 21, 02:00 UTC  -  Mar 22, 06:00 UTC

Scheduled

Dear Valued Customer,

We would like to inform you of an upcoming Planned maintenance activity that will be performed on the following F5 service:
- F5 Distributed Cloud DNS Service

Maintenance Window:
Start Time: 21 Mar 2026 02:00 UTC
End Time: 22 Mar 2026 06:00 UTC


Activity Schedule :
- Mar 21st 02:00 UTC to 06:00 UTC - Maintenance Window-1
- Mar 21st 15:00 UTC to 19:00 UTC - Maintenance Window-2
- Mar 22nd 02:00 UTC to 06:00 UTC - Maintenance Window-3

Reference: SDCCAB-3498, SDCCAB-3523

Projected Impact:
The Distributed Cloud DNS service is designed with redundancy, and no significant service impact is expected during the scheduled maintenance. However, there is a possibility that a small number of DNS requests may encounter intermittent failures

Reason for Maintenance:
This maintenance activity involves a software upgrade aimed at improving the stability, performance, and overall reliability of the DNS service

Our Commitment:
We will provide timely updates should there be any changes to the schedule or if unexpected issues arise.

Contact Information:
- Email Support: Reach us at support@cloud.f5.com for any questions or assistance.
- Phone Support: For region-specific contact details, please visit https://my.f5.com/manage/s/article/K000135931.

We appreciate your cooperation and understanding as we work to improve our services.

Sincerely,
F5 Distributed Cloud
Posted Mar 18, 2026 - 01:14 UTC
This scheduled maintenance affects: Services (DNS).