Update your firewall and third-party services with new network information for Microsoft Defender for Cloud Apps by May 1st, 2025, to maintain service access. Administrators may lose visibility of the organization logo on the M365 portal overview page. Required endpoints are listed in the message.
Due to ongoing work on Microsoft Defender for Cloud Apps aimed at improving security and performance, you are required to update network information in your system's firewall and additional third-party services by the dates noted below.
When this will happen:
Please follow these instructions by May 1st, 2025, to ensure uninterrupted access to our services.
How this affects your organization:
You are receiving this message because our reporting indicates your organization may be using Microsoft Defender for Cloud Apps. Administrators may no longer be able to be able to see the Organization logo on M365 portal in the overview page. when this change is implemented.
What you need to do to prepare:
Please update your firewall rules to allow below endpoints before May 1st,2025
All required outbound access URLs can also be found in Network requirements under "Portal Access"