{"id":41532,"date":"2020-11-06T12:36:14","date_gmt":"2020-11-06T12:36:14","guid":{"rendered":"http:\/\/icloud.pe\/blog\/?guid=dd390e3a2daa07fd182d91f10b5f6073"},"modified":"2020-11-06T12:36:14","modified_gmt":"2020-11-06T12:36:14","slug":"microsoft-365-outage-blamed-on-botched-network-driver-update","status":"publish","type":"post","link":"https:\/\/icloud.pe\/blog\/microsoft-365-outage-blamed-on-botched-network-driver-update\/","title":{"rendered":"Microsoft 365 outage blamed on botched network driver update"},"content":{"rendered":"<p><span class=\"field field-name-field-author field-type-node-reference field-label-hidden\"><br \/>\n      <span class=\"field-item even\"><a href=\"https:\/\/www.cloudpro.co.uk\/authors\/rene-millman\">Rene Millman<\/a><\/span><br \/>\n  <\/span><\/p>\n<div class=\"field field-name-field-published-date field-type-datetime field-label-hidden\">\n<div class=\"field-items\">\n<div class=\"field-item even\"><span class=\"date-display-single\">6 Nov, 2020<\/span><\/div>\n<\/p><\/div>\n<\/div>\n<p class=\"short-teaser\">\n<a href=\"https:\/\/www.cloudpro.co.uk\/\" title=\"\" class=\"combined-link\"><\/a><\/p>\n<div class=\"field field-name-body\">\n<div>A network driver problem resulted in some users being unable to access their Exchange Online mailboxes on Microsoft 365 for approximately 12 hours.<\/div>\n<div><\/div>\n<div>In a <a href=\"https:\/\/twitter.com\/MSFT365Status\/status\/1324444676993277957\">tweet<\/a> on 5 November at 8.13PM, Microsoft said that it was investigating an issue \u201cwherein some users may be unable to access their mailboxes through Exchange Online via all connection methods\u201d.<\/div>\n<div><\/div>\n<div>Around an hour later, it discovered that a recent service update to a portion of its infrastructure was \u201ccausing impact to mailbox access via Exchange Online from any connection method\u201d. It then identified a network driver issue as the underlying cause of the outage.<\/div>\n<div><\/div>\n<div>\n<div class=\"wysiwyg-widget-wrapper\">\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">We%u2019re investigating an issue wherein some users may be unable to access their mailboxes through Exchange Online via all connection methods. Admins can track the progress of our investigation under the SI# EX225938.<\/p>\n<p>&mdash; Microsoft 365 Status (@MSFT365Status) <a href=\"https:\/\/twitter.com\/MSFT365Status\/status\/1324444676993277957?ref_src=twsrc%5Etfw\">November 5, 2020<\/a><\/p>\n<\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<\/div>\n<div><\/div>\n<div>However, in the early morning on 6 November, Microsoft admitted that the fix was \u201ctaking longer than anticipated\u201d.<\/div>\n<div><\/div>\n<div>\u201cConcurrently, we\u2019re narrowing down alternate mitigation options for faster relief to customers.\u201d<\/div>\n<div><\/div>\n<div>It was another two hours after that tweet when Microsoft finally found a solution and began rolling out a fix. It was only until three hours ago at the time of writing that Microsoft finally confirmed that the initial problem had been fixed for all users.<\/div>\n<div><\/div>\n<div>Just over a month ago, <a href=\"https:\/\/www.cloudpro.co.uk\/cloud-essentials\/public-cloud\/8770\/microsoft-suffers-second-global-outage-in-a-week\">Microsoft suffered a global outage<\/a> leaving users being unable to access their Outlook accounts. As reported by <em>Cloud Pro<\/em>, Microsoft blamed that outage on a configuration update to components that route user requests. This led to the company \u201creverting\u201d the update and monitoring the service to ensure it came back up again.<\/div>\n<div><\/div>\n<div>This outage was the second in a week for Microsoft following an issue that caused Azure, Outlook, Office, Power Platform, Dynamics365, and Microsoft Teams to be down for around <a href=\"https:\/\/www.itpro.co.uk\/cloud\/cloud-computing\/357266\/microsoft-365-outage-took-down-azure-outlook-and-teams\">five hour<\/a>s.<\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>      Rene Millman<\/p>\n<p>        6 Nov, 2020    <\/p>\n<p>      A network driver problem resulted in some users being unable to access their Exchange Online mailboxes on Microsoft 365 for approximately 12 hours.<\/p>\n<p>In a tweet on 5 November at 8.13PM, Microsoft &#8230;<\/p>\n","protected":false},"author":417,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-41532","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts\/41532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/users\/417"}],"replies":[{"embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/comments?post=41532"}],"version-history":[{"count":2,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts\/41532\/revisions"}],"predecessor-version":[{"id":41535,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts\/41532\/revisions\/41535"}],"wp:attachment":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/media?parent=41532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/categories?post=41532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/tags?post=41532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}