Maintenance Windows for Sauce Labs

Our EU Central data center (RDC) will undergo unplanned but necessary power maintenance on June 19th, 2025, between 07:00 and 18:00 CEST (05:00–16:00 UTC). During this maintenance window, devices may experience brief service interruptions lasting up to 20–30 minutes. We are taking every measure to minimize impact and ensure full service restoration as quickly as possible. We appreciate your understanding and apologize for any inconvenience this may cause.

2021-February-22 Service Incident

Incident Report for Sauce Labs

Postmortem

Dates:

Monday, February 22, 2021, 15:30 - 16:50 PST

What happened:

Customers were unable to start Mac desktop browser tests and iOS Simulator tests in the EU datacenter.

Why it happened:

The primary link to the Mac cloud went into a maintenance window and the connection was not successfully failed over to the secondary link.

How we fixed it:

The connection was manually failed over to the secondary link.

What are we doing to prevent it from happening again:

The fail-over configuration has been updated to catch additional scenarios which will lead to successful hand-off in future cases where the primary link becomes unusable.

Posted Feb 24, 2021 - 21:37 UTC

Resolved

macOS and iOS tests are back to normal. All services fully operational.

Posted Feb 23, 2021 - 01:24 UTC

Update

We have taken remedial action and see MacOS and iOS tests starting successfully. We are monitoring

Posted Feb 23, 2021 - 01:11 UTC

Update

Tests are continuing to fail, your iOS simulator and desktop tests may not start. We are continuing to monitor and investigate.

Posted Feb 23, 2021 - 00:47 UTC

Monitoring

We have taken remedial actions. We are monitoring but Mac iOS simulator and desktop tests should be fully operational.

Posted Feb 23, 2021 - 00:31 UTC

Update

We are continuing to investigate this issue.

Posted Feb 23, 2021 - 00:23 UTC

Investigating

The Mac cloud is experiencing errors, iOS simulator tests and Mac Desktop tests will not start. We are investigating and taking remedial action.

Posted Feb 23, 2021 - 00:16 UTC

This incident affected: Automated Virtual Mobile Device Testing (EU-Central), Live Browser Testing (EU-Central), Live Virtual Mobile Device Testing (EU-Central), and Automated Browser Testing (EU-Central).