International tech disruption: Initial details on worldwide Windows-related service interruption revealed

Global IT disruptions caused by a Windows outage have impacted various sectors across the world. Banks and telecommunications firms reported system issues, as did TV broadcasters, radio channels, and supermarkets on an international scale. Airlines were notably affected; American Airlines, Delta Air Lines, and United Airlines in the US had to ground their aircraft, while flights at several European airports experienced delays or cancellations.

Edinburgh Airport's automated scanning systems malfunctioned, leading to manual check-in processes. Uncertainty persists regarding Stansted Airport's operational status; however, many flight announcements on the internal boarding system indicated passengers were asked to wait for their flights. Amsterdam Schiphol Airport stated that a global technical failure was affecting its services and disrupting inbound and outbound flights.

In Berlin, Brandenburg Airport acknowledged delays at check-in desks due to technical difficulties. The US state of Alaska reported widespread issues with emergency phone lines including 911 call centers across the region.

Several train services in the United Kingdom were dealing with IT problems: Southern, Thameslink, Gatwick Express and Great Northern trains experienced disruptions due to technical complications within their respective systems managed by Govia Thameslink Railway. The London Stock Exchange mentioned a global technology-related outage impeding its news publishing on their official website but assured that other services remained operational.

The IT infrastructure supporting the NHS appointment system in England was reportedly offline, according to medical sources. This affected how patients scheduled doctor visits. Similarly, broadcasting services were impacted; SkyNews and TV networks experienced disruptions resulting in reduced or delayed live coverage on Friday morning. Airlines like Turkish Airlines, KLM Royal Dutch Airlines, Eurowings, Swiss International Air Lines, and Wizz Air faced challenges with longer check-in processes for passengers and various flight delays or cancellations across multiple countries including Australia.

Sydney Airport experienced a system failure affecting flight displays in the evening, prompting Virgin Australia to warn of potential cancellations and delays. Melbourne's airport reported that Jetstar was grappling with significant technical issues, while Qantas and Virgin were slowly processing passengers. Scoot, an international arm of Jetstar, as well as ANZ bank customers faced difficulties in certain transaction processes. The Commonwealth Bank confirmed some PayID payment transactions were impacted by the outage.