Microsoft's Azure and its suite of productivity software were down for thousands of users on Wednesday, according to outage tracking website Downdetector.com.

The outage was caused by an error in Azure Front Door, Microsoft’s content delivery network. The CDN enables website operators to store copies of their content in dozens of server clusters around the world. When a user visits a webpage, the CDN downloads the webpage’s contents from the nearest server cluster to speed up loading times.

Microsoft's Azure platform and other company services are experiencing an outage that started around 12:00 p.m. Eastern time on Thursday. The company reported that the outage was triggered by "an inadvertent configuration change" that impacted the Azure Front Door delivery network.

Microsoft didn’t immediately respond to a request for comment, but the company acknowledged issues with its Azure Front Door, a global content and application delivery network service, on its status page and social media accounts. READ MORE: Starbucks ...