Microsoft 365 Alert – Service Degradation – SharePoint Online – Some users may be unable to select schedule dates within SharePoint Online pages – RESOLVED

Announcements Arpan Das

19/01/2026 08:36:00 AM

NHSmail Reference: INC46725987

Microsoft Reference: SP1218552

Issue Status: RESOLVED

Issue Description: Users may be unable to select schedule dates within SharePoint Online pages.

Final Update: 19/01/2026 08:45:00 AM – Microsoft’s fix has fully saturated throughout the affected environment and after an extended period of monitoring the service health telemetry and validating within their internal testing environment, they have confirmed that impact has been remediated.

Scope of impact: Some users who were attempting to select scheduled dates within SharePoint Online may have been impacted.

Root cause: A regression was introduced during recent service update which was causing the date selector not to open, which resulted in impact.

Next Steps: Microsoft are reviewing their update vetting procedures to help ensure impact of this nature doesn’t reoccur with future updates.