26/04/2022 02:05:00 PM (BST)
Issue Reported : 26/04/2022 01:41:00 PM
Microsoft Reference : OD364554
NHSmail Reference : INC28606688
Issue Status : RESTORED
Issue Description : External users are unable to access shared OneDrive for Business content.
Scope of impact : Impact is specific to External users who are served through the affected infrastructure.
Final Update : 26/04/2022 03:58:00 PM – Microsoft has identified that a recent standard service update unexpectedly introduced a code regression which resulted in impact. They have reverted the change and confirmed by monitoring service telemetry that the impact has been remediated.
Root cause : A recent standard service update unexpectedly introduced a code regression which may have prevented external users from accessing shared OneDrive for Business content.
Next steps : Microsoft are reviewing their standard service update procedures to avoid similar impact in the future.