We’ve Moved! – Introducing Azure DevOps Service Status Portal

November 28, 2018 Nov 28, 2018 11/28/18
Azure DevOps SRE
Today, we’re happy to introduce Azure DevOps service status portal which helps with real time insights into active service events and provides further details on the event being investigated. This portal replaces our current experience using this Service blog. No new posts will be posted to this blog and existing subscribers are encouraged...
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Postmortem: Azure DevOps Service Outages in October 2018

October 16, 2018 Oct 16, 2018 10/16/18
Azure DevOps SRE
Earlier this month, Azure DevOps experienced several significant service outages, for which we are deeply sorry. As with every significant live site incident, we have completed a detailed root cause analysis for these. Due to the proximity of these incidents and common underlying causes, we wanted to share the details with you to ensure that ...
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Postmortem – VS Marketplace outage – 4 September 2018

September 24, 2018 Sep 24, 2018 09/24/18
Azure DevOps SRE
On Tuesday, 4 September 2018, Visual Studio Marketplace suffered an extended outage affecting most of its customers. Marketplace hosts and serves extensions for the Visual Studio IDE, Visual Studio Code, and Azure DevOps. This was the first instance of the Marketplace service going down completely, and we sincerely apologize for the outage. ...
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Postmortem: VSTS 4 September 2018

September 10, 2018 Sep 10, 2018 09/10/18
Azure DevOps SRE
Postmortem – VSTS Outage – 4 September 2018 On Tuesday, 4 September 2018, VSTS (now called Azure DevOps) suffered an extended outage affecting customers with organizations hosted in the South Central US region (one of the 10 regions globally hosting VSTS customers). The outage also impacted customers globally due to cross-service ...
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Postmortem: Global VSTS availability issues – 22 May 2018

May 25, 2018 May 25, 2018 05/25/18
Azure DevOps SRE
Customer Impact: On 22 May 2018, Visual Studio Team Services (VSTS) experienced a major incident across multiple regions between 15:00 and 16:55 UTC.  An event in a Western European scale unit of the Team Foundation Service (TFS), caused a chain reaction that sporadically took other TFS scale units offline in other regions.  Based on our ...
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Updated and Completed Postmortem: Performance Issues and failures in VSTS West Europe – 7 February 2018

February 26, 2018 Feb 26, 2018 02/26/18
Azure DevOps SRE
A week ago we posted an incomplete postmortem and are now following up with the completed version. If you want the full story of how we progressed through this incident, start by reading that.  This postmortem will cover the full root cause analysis but it won’t rehash the first part of the investigation. Customer Impact On 7 February ...
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Preliminary Postmortem: Performance Issues and failures in VSTS West Europe – 7 February 2018

February 14, 2018 Feb 14, 2018 02/14/18
Azure DevOps SRE
Edit February 26, 2018: We have just posted an updated and complete postmortem here: https://devblogs.microsoft.com/devopsservice/?p=16295 Customer Impact On 7 February 2018 we had an incident which impacted users in our Western European scale unit. During this time, users experienced slow performance and 503 errors (service unavailable) ...
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Postmortem – Intermittent Failures for Visual Studio Team Services on 14 Dec 2017

December 27, 2017 Dec 27, 2017 12/27/17
Azure DevOps SRE
On 14 December 2017 we began to have a series of incidents with Visual Studio Team Services (VSTS) for several days that had a serious impact on the availability of our service for many customers (incident blogs #1 #2 #3). We apologize for the disruption these incidents had on you and your team. Below we describe the cause and the actions we ...
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Postmortem – Availability issues with Visual Studio Team Services on 6 Dec 2017

December 19, 2017 Dec 19, 2017 12/19/17
Azure DevOps SRE
On 6 December 2017 we had a global incident with Visual Studio Team Services (VSTS) that had a serious impact on the availability of our service (incident blog here). We apologize for the disruption. Below we describe the cause and the actions we are taking to address the issues. Customer Impact This was a global incident that caused ...
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