23/08/2022 18:00:00 PM (BST)
Issue Reported: 22/08/2022 15:00:00 PM BST
NHSmail Reference : INC31249477
Microsoft Reference : SP418413
Issue Status : RESOLVED
Issue Description : Some users may be unable to search within classic SharePoint Online site collections.
More Info : Users were unable to search within classic SharePoint Online site collections.
Scope of impact : This issue impacted a subset of users utilizing cloud cache accounts and are served through the affected infrastructure.
Final Update : 25/08/2022 08:55:00 AM – Reversion of the offending service change is complete, and Microsoft has confirmed via service telemetry that this issue is resolved.
Root cause : A recent service update that was intending to improve the routing of cloud cache traffic introduced a code issue that was preventing some users from using the search function within classic SharePoint Online site collections.
Next steps : Microsoft is reviewing their validation and update procedures to detect and prevent issues like this prior to deployment in the future.