微软全球停电影响 Outlook 和 Teams 用户，公司“重启”服务器
原文：Global Microsoft outage affects Outlook and Teams users, with company ‘restarting’ servers
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微软网站上的警报称，它正在“积极寻求一切途径来减少影响”，并将责任归咎于服务器问题。 微软表示，在全球停电导致全球近 13 万用户报告访问其 365 套件（包括 Outlook 和 Teams）时出现问题后，其服务器已开始恢复服务。中断网站 Down Detector 显示 Microsoft 365 问题激增，其中
Global Microsoft outage affects Outlook and Teams users, with company ‘restarting’ servers
Alert on Microsoft’s site says it is ‘aggressively pursuing all pathways to reduce impact’ and blames server issue
Microsoft says its servers are beginning to return to service after a global outage resulted in nearly 130,000 users globally reporting issues accessing its 365 suite of software, including Outlook and Teams.
Outage website Down Detector showed a spike in Microsoft 365 problems, with nearly 130,000 reports of issues affecting access to Word, Excel, PowerPoint, Outlook and Teams as well as enterprise services such as SharePoint and OneDrive. AI assistant Copilot was also affected.
New reports have since fallen from that peak, but many said they couldn’t send and receive emails, or had trouble loading their inboxes altogether.
Posting on X, Microsoft said it was “investigating reports of users experiencing issues accessing Exchange Online mailboxes through multiple connection methods”.
Microsoft later explained that a portion of its infrastructure was “experiencing elevated load” – which it said was “likely contributing to the connectivity errors”. The company determined a number of servers were “unexpectedly unavailable” due to a problem that caused them to fail during automated checks.
As of 9pm UTC Thursday, the tech company said it had validated an alternative health check method on a subset of the affected servers, which allowed them to successfully return to service, and that fix was now being applied more broadly.
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Read moreMicrosoft was also preparing an automated process to detect and restart unresponsive servers. It said the review of recent changes has identified configuration updates as a potential cause for the issue, but said it was still being investigated.
At 9.41pm UTC, Microsoft said it was working through restarting and validating the affected servers, and looking to expedite the process.
“In parallel, we’re assessing whether reverting the small number of recent configuration updates we identified could help accelerate recovery.”
An earlier service degradation alert on Microsoft’s site said it was “aggressively pursuing all pathways to reduce impact” and said it was “restarting affected servers to return them to service”.
“As a precaution, we’ve paused all deployments and configuration changes while we review recent changes for any correlation to this event.
“We’ve determined that the elevated load isn’t driven by an overall increase in traffic, but by a large number of servers being unexpectedly unavailable, which is shifting load onto the remaining infrastructure.
“We’re investigating what’s causing these servers to become unavailable while we work to safely return them to service.”
‘A cascading problem’
Mark Gregory, associate professor in the School of Engineering at RMIT University, said the outage appears to be affecting the network layer in Microsoft’s systems, and was potentially similar to the configuration issue which brought down Optus’s network in 2023 .
He said when some of the servers have configuration issues, it means customers are forced to share a smaller pool of servers to access the cloud services.
“If you lose part of that pool, then all of the users are trying to access the remaining servers, and that overloads them. And then they go down.
“And so you end up with a cascading problem. Then it takes time to find the underlying problem, in this case, a misconfiguration in the network layer.”
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Read moreGregory said it showed companies should invest more in testing environments for configuration changes before deployment in the live network, and said businesses reliant on cloud services such as Microsoft 365 should have backup options.
“From a global perspective, there is someone somewhere that’s that’s been badly affected by this and you end up with lost productivity,” he said.
“They’re being left high and trying now ….it then becomes important to have an alternative.”
“Many people would keep a Gmail account, if their Microsoft goes down, they use Gmail. If Gmail goes down, they use Microsoft.”
Earlier, the company said it had “successfully restored” problems related to Microsoft Teams in North America, although some users continued to report connectivity issues.
– with Associated Press
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