Spring Lake Park Schools

Title: Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online User impact: Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online. More info: As a temporary alternative, impacted users may reply or reply all to email messages through user inboxes. Current status: We've completed the validation of our planned fixes and are completing the final stages to prepare them for deployment. We anticipate that users will see progressive relief beginning Monday, September 28, 2026, up to our planned remediation date of Friday, October 2, 2026. Scope of impact: This issue impacts any user attempting to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online. This information may be updated as our investigation continues. Next update by: Tuesday, September 29, 2026, at 1:00 AM UTC