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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 to use t...

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 you kn...

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. What ha...

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 dependencies. It r...

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 telemetry...

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 2018 we had...

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) when i...