Title: Some users may be unable to utilize the Classic Search People vertical within SharePoint Online
User impact: Users may have been unable to utilize the Classic Search People vertical within SharePoint Online.
More info: Impact was specific to Graph Search Query and Classic SharePoint Search queries. Additionally, when users attempted to utilize the Classic Search People vertical, no search results were returned.
Final status: We’ve completed reverting the offending change in all affected environments and confirmed that the impact is remediated.
Scope of impact: Impact was specific to some users who were served through the affected infrastructures.
Start time: Wednesday, January 31, 2024, at 3:00 AM UTC
End time: Monday, February 5, 2024, at 5:00 PM UTC
Root cause: A code change to resolve an unrelated service incident introduced a compatibility issue and was preventing users from utilizing the Classic Search People vertical within SharePoint Online as expected.
Next steps:
– We’re further reviewing the offending code change to understand how it introduced the compatibility issue, and to understand what prevented it from being detected in our update testing and validation procedures, which will allow us to prevent similar issues in future updates.
This is the final update for the event.