A major internet outage affecting Microsoft is disrupting flights, banks, media outlets and companies across the world, with problems continuing hours after the technology company said it was gradually fixing an issue affecting access to Microsoft 365 apps and services.

Airlines and airports in the US, Europe, Australia, India and elsewhere were reporting problems, with some flights grounded. Retail outlets, banks, railway companies and hospitals in several parts of the world were also affected in what appeared to be an unprecedented internet disruption.

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CAPE TOWN, South Africa — In South Africa, at least two major banks said they experienced service disruptions as customers complained they weren’t able to make payments using their bank cards at grocery stores and gas stations or use ATMs. Both said they were able to restore services hours later.

Southern African regional airline Airlink also reported that its IT network and telephone lines were down because of what it called a global network outage, but said flights were not affected.

LONDON — The London Stock Exchange says it is experiencing disruptions from the technology outage that has created chaos around the globe.

The LSE says its regulatory news service was not working Friday morning but the outage had not affected trading.

“We are currently experiencing a third party technical issue which is impacting some of our services,” a London Stock Exchange Group spokesperson said in a statement.

The exchange says it’s trying to resolve the problem as soon as possible.

Long queues have formed at many airports around the world as the global internet outage hit check-in procedures for flights — although in some locations systems were now back online.

Berlin’s Brandenburg Airport was gradually returning to normal operations, the airport said in a statement, though some airlines had been forced to cancel flights after being hit with the outage from 7 a.m. local time (0500 GMT).

“Passenger handling continued with some restrictions. Departures took place with restrictions. There are still waiting times. Unfortunately, some flights had to be canceled by the airlines. The airport’s systems have been restarted and we are gradually returning to normal operations,” the airport said.

German-based airline Eurowings, a budget subsidiary of Lufthansa, says it had to cancel German domestic flights as well as services to and from the U.K. because of disruption to its check-in and boarding processes. It called on people traveling inside Germany to book train tickets and submit them for reimbursement.

In South Korea, several low-cost airlines reported problems, triggering delays in passenger boardings at Incheon international Airport, the country’s biggest airport, airport officials said.

Jeju Air Co. said it was experiencing problems with ticketing and other services on its website. Air Premia Inc. said key services on its website, such as ticket bookings, cancellations and online check-ins, were not working. The website of Eastar Jet Co. wasn’t accessible as of early Friday evening. Incheon airport officials and the country’s Transport Ministry said they were checking details of damages.

AirAsia announced on its Thai Facebook page that its reservation and check-in system had been impacted and encouraged passengers to go to airports early as they might face slower check-in and longer queues.

In the U.S., United Airlines said that the outage was impacting its computer systems and warned customers of potential flight delays. The carrier said some flights are resuming and it is issuing waivers to make it easier to change travel plans within its website.

LONDON — The chief executive of the cybersecurity company at the heart of a worldwide Microsoft outage says it is working to fix a defect sent out in a Windows update.

“This is not a security incident or cyberattack,” CrowdStrike CEO George Kurtz said on the social platform X. “The issue has been identified, isolated and a fix has been deployed.”

Kurtz said there was a defect in a “single content update for Windows hosts.” Mac and Linux hosts were not affected.

The company referred customers to its support portal for updates.

HELSINKI — Two pharmacy chains in Norway said they are having problems providing customers with their prescription medicine and are facing substantial connection delays due to the global network problems.

Several branches of the Apotek1 pharmacy have closed across Norway after being affected by IT issues which also shut down the chain’s online sales, the Norwegian news agency NTB reported.

The Boots drugstore and pharmacy chain also ran into problems delivering products to clients in Norway. Boots said that “due to global network problems, you may experience challenges with ordering and possible delays in dispatches,” NTB reported.

PARIS — Paris Olympics organizers say some Olympic delegations’ arrivals, as well as the delivery of some uniforms and accreditations, have been delayed because of the outage.

The organizers said in a statement that ticketing and the torch relay have not been affected. “Our teams have been fully mobilized to ensure the continuity of operations at optimum levels,” organizers said.

LONDON — Britain’s National Health Service says a global internet outage is causing problems at most doctors’ offices across England.

NHS England said in a statement that the glitch was hitting the appointment and patient record system used across the health service. The state-funded NHS treats the vast majority of people in the U.K.

The NHS said the issue was affecting the majority of family doctors’ practices, but was not hitting the 999 number used to call for emergency ambulances.

Airlines across the world, from Thailand to Australia, India, the United States and several European countries, reported disruptions to check-in systems and other issues that caused flights to be grounded or delayed.

With athletes and spectators from around the world heading to France for the Paris Olympics, the Paris airport authority says its computer systems ″are not impacted″ by the global outage, but several airlines and airports elsewhere are.

As a result, ″this situation has an impact on the operations of airlines at Paris-Charles de Gaulle and Paris-Orly airports: delays in check-in, delays and temporary suspension of some flights. Our teams are mobilized to orient and assist passengers,″ the airport authority said in a statement.

In the U.S., the FAA said the airlines United, American, Delta and Allegiant had all been grounded.

Thailand’s Suvarnabhumi Airport, a gateway to one of the world’s most visited cities, reported that some airlines were forced to check in passengers manually due to outages to their systems, while in the country's second largest airport of Don Mueang, Air Asia was also checking passengers in manually. Director of Tourism of Thailand, the country’s tourism authority, told state broadcaster Thai PBS the issue was with Navitaire, an e-commerce platform for air travel, and up to six airports had been affected.

In Germany, flights at Berlin-Brandenburg Airport were halted for several hours from Friday morning due to check-in problems, while some flights were cancelled. An airport spokeswoman said flights resumed after 10 a.m.. Issues were also reported in the busy European hubs of Amsterdam, Zurich and Rome.

WARSAW — Baltic Hub, a major container hub in the Baltic port of Gdansk, Poland, says it is battling problems resulting from the global system outage. Their entry gates are temporarily closed and they have suspended business, the Baltic Hub said in a statement.

LONDON — Britain's Sky News was broadcasting again after the outage knocked it off the air during the morning. The news anchor referred to printed notes as Sky News got back on the air. The broadcaster was able to deliver news online, on its app and website during the broadcast outage.

ROME — Borsa Italiana, the company that manages Milan’s stock exchange, said the “correct disclosure of the index FTSE MIB has been restored.” Earlier Friday, the company had said that the index had not been updated, without providing additional information.

JERUSALEM — Israel’s Cyber Directorate said on Friday that it was among those affected by the global outages, attributing them to a problem with the cybersecurity platform Crowdstrike. The outage also hit the country’s post offices and hospitals, according to the ministries of communication and health.

A recording playing on CrowdStrike’s customer service line said, “CrowdStrike is aware of the reports of crashes on Microsoft ports related to the Falcon sensor." It attributed the problems to one of its products used to block online attacks. It said callers should monitor its customer support portal.