Microsoft identified problems with servers failing automated health checks, causing portions of its infrastructure to become unavailable and increasing demand on remaining servers.
Sources: Las Cruces Public Schools, Doña Ana County Clerk’s Office, Microsoft
A widespread Microsoft 365 service outage Thursday, November 12, disrupted email communications at Las Cruces Public Schools and the Doña Ana County Clerk’s Office, prompting both agencies to notify residents of potential delays and difficulties reaching staff.
Las Cruces Public Schools issued an advisory to employees and families through ParentSquare, warning that the nationwide disruption was affecting Microsoft applications, including Outlook.
“If you are emailing teachers or other LCPS staff members, please be aware that your messages may be delayed or may not reach their intended recipients in a timely manner,” the district stated.
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LCPS said its Technology Department was monitoring updates from Microsoft while awaiting restoration of services.
The Doña Ana County Clerk's Office also reported email disruptions associated with Outlook. In a Facebook announcement, the office encouraged residents needing immediate assistance to call 575-647-7421 rather than rely on email.
The local interruptions were part of a larger Microsoft 365 outage affecting access to Exchange Online mailboxes and potentially disrupting other services, including Microsoft Teams, SharePoint and Copilot.
Microsoft identified problems with servers failing automated health checks, causing portions of its infrastructure to become unavailable and increasing demand on remaining servers. The company began restarting affected equipment, redirecting traffic and testing changes intended to restore service.
Microsoft's investigation remained underway Thursday afternoon, with the company reporting that some recovery efforts had not provided the anticipated improvement. The underlying cause had not been conclusively determined.
Residents communicating with LCPS personnel or the County Clerk's Office should be aware that messages sent during the disruption may not have been delivered promptly. The County Clerk's Office has provided telephone assistance as an alternative while email service is affected.
Microsoft is publishing updates through its Microsoft 365 Status account and service health dashboard.
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