Microsoft eCDN Support
If you're experiencing difficulties, we first recommend consulting our Troubleshooting eCDN performance issues documentation. We've found that our customers can quickly self-resolve most of their inquiries using the troubleshooting guide we provide in the article.
If you still need help after consulting the troubleshooting guide, please use the following instructions to create a case.
Go to M365 admin center or Teams Admin Center
Select the "Help & support" headset icon, at the bottom right
Under "How can we help?" type "ecdn" and select Microsoft Teams eCDN
Several extra resources are displayed
If no option matches your issue, select the "Contact Support" button
Fill in your details such as name, contact information, problem description, and attach any screenshot you'd like a support engineer to review
Submit the case by clicking "Contact me"
A support engineer will review your case and be in touch soon