A major Microsoft service disruption has disrupted government operations across the United States, leaving millions of employees unable to access essential workplace systems and forcing several public institutions to suspend routine activities.
The outage, which began on Thursday, November 12, spread to 74 countries and territories within hours.
Users reported difficulties accessing email accounts, while businesses, banks, government agencies and courts experienced disruptions to services dependent on Microsoft’s technology.
Several widely used workplace applications were also affected, including Outlook, Microsoft Teams, OneDrive, cloud storage and file-syncing services.
The widespread failure left employees across multiple industries struggling to carry out their daily responsibilities.
Colorado Jail Suspends Online Inmate Releases
One of the more unusual consequences of the outage emerged in Colorado, where the Arapahoe County Detention Facility temporarily stopped processing inmate releases through its online system.
The disruption affected individuals who had already secured the money needed to post bond but could not complete the online verification process required for their release.
According to the facility, online bond payments were being affected because the system depended on Outlook email notifications to confirm that payments had been received.
As a result, inmates seeking release were instructed to have their bonds posted in person rather than relying on the online payment system.
City Governments Struggle to Maintain Operations
Government agencies across the country also reported difficulties maintaining normal operations as Microsoft’s services became inaccessible.
Officials in Baltimore County said government employees were unable to contact their respective departments, while workers in Jacksonville, Florida, and Austin, Texas, also reported disruptions to government systems.
Local legislative offices were among the institutions affected, with several unable to complete routine administrative responsibilities.
The US House of Representatives confirmed that engineers had been deployed to assist Microsoft in restoring systems used by Congress.
The disruption affected both local and federal government operations, highlighting the extent to which public institutions rely on Microsoft’s services.
Microsoft Reports Gradual Recovery
Microsoft said on Friday morning that it was observing encouraging progress in restoring its affected services.
The company confirmed that traffic was gradually returning to normal, with some customers reporting that their email services had started working again.
In its preliminary assessment, Microsoft identified an elevated load on its infrastructure as a contributing factor to the disruption.
However, the company said investigations into the underlying cause were continuing.
Microsoft also maintained that it had found no evidence that the outage resulted from a cybersecurity breach or cyberattack.
The technology company said it would publish a comprehensive post-incident report at a later date.
Users Warned Against Outage-Related Scams
The disruption has also prompted warnings from banks and university IT departments about criminals attempting to exploit customers experiencing difficulties accessing their accounts.
Security warnings have focused on fraudulent password-reset emails, suspicious text messages requesting account verification and messages from individuals falsely claiming to represent technical support departments.
Old Dominion University in Virginia advised students and employees to remain alert to suspicious login requests and avoid repeatedly resetting their passwords.
The university explained that sign-in errors were connected to Microsoft’s service disruption rather than necessarily indicating problems with individual accounts.
Users have also been warned about criminals posing as Microsoft representatives or company help-desk employees and offering to restore access to Outlook accounts.
Such individuals may attempt to persuade victims to install malicious software or grant remote access to their computers.
Other warning signs include demands for payments through gift cards, cryptocurrency, wire transfers or payment applications in exchange for supposedly unlocking accounts.
Microsoft has reiterated that it does not make unsolicited calls to customers about problems with their devices.
Its legitimate error messages also do not contain telephone numbers asking users to contact technical support.
Customers who receive unexpected requests have been advised to contact their organisation’s IT department through established and trusted communication channels.
The warnings remain relevant even after Microsoft’s services return to normal, as scammers may continue impersonating technical support representatives.
Financial Experts Warn of Potential Economic Losses
The outage has raised concerns about the financial consequences of prolonged disruption to essential business systems.
Samuel Mather-Holgate, managing director at Mather and Murray Financial, warned that the incident could result in significant economic damage if services were not restored quickly.
He described the disruption as potentially one of the most economically damaging technology outages in history.
Mather-Holgate said the failure of Microsoft’s systems affected far more than email communication, warning that major sections of the global economy could effectively grind to a halt when the company’s services became unavailable.
He also described the incident as a demonstration of the vulnerability of modern economic systems to disruptions involving major technology providers.
Outage Spreads Across More Than 70 Countries
Reports of service interruptions first emerged around midday Eastern Time on Thursday, with the disruption spreading internationally within a few hours.
The Americas appeared to experience particularly widespread problems as Microsoft initially acknowledged difficulties affecting customers attempting to access their email accounts.
The company subsequently confirmed that multiple services had been affected, including Microsoft Teams, OneDrive, Copilot and Microsoft 365.
The scale of the disruption left millions of workers facing delays and interruptions, with the incident expected to rank among the largest technology service outages.
Outage Follows Recent Outlook Security Warning
The disruption occurred just days after Outlook users were advised to update their software following reports that hackers were exploiting a security vulnerability.
The security flaw could expose information used to verify users’ identities.
However, Microsoft has maintained that it has found no evidence connecting the latest service disruption to a cyberattack.
The company continues to investigate the incident while working to restore affected services across its global network.