Microsoft 365 Alert : Service degradation – SharePoint Service Alert – Users may see ‘Access Denied’ errors when using Graph APIs for SharePoint Online – RESOLVED

Announcements Aftab Alam

17/05/2022 05:22:00 PM (BST)

Microsoft Reference : SP381039

NHSmail Reference : INC29013313

Issue Status : RESTORED

Issue Description : Users may see ‘Access Denied’ errors when using Graph APIs for SharePoint Online.

Scope of impact : This issue may potentially affect any of your users attempting to utilize Graph APIs for SharePoint Online.

Current Update : 23/05/2022 08:40:00 AM – Microsoft has reverted the code regression and after monitoring the service and verifying with affected users, they have confirmed this action has remediated impact in full.

Root cause : A recent feature deployment misconfiguration had prevented an authentication feature from being available in a group of customer environments, resulting in impact.

Next steps : Microsoft are investigating why the recent feature deployment misconfiguration had prevented an authentication feature from being available in a group of customer environments to prevent this problem from happening again in the future.