TeamCity tool window displays projects, build configurations, builds and changes on the various stages of their life cycle. Refer to the table below for the meaning of icons denoting the status of the build process.

ItemDescription
Project
img All finished builds of this project are successful. Paused build configurations are not taken into consideration.
img At least one of the latest finished builds of this project failed, or a current build is failing.
Build configuration
img The latest finished build with this build configuration was successful, and the currently running build is not failing.
img The latest finished build with this build configuration failed, or the currently running build is failing.
img This configuration is paused in the Web client.
img Unknown status: no builds yet.
img Someone took responsibility for a failed build.
img I took responsibility for a build failure in this build configuration.
Build
img This build was not started yet.
img This build was successful.
img This build failed.
img This build was cancelled.
img This build is in progress, and so far has passed all of the tests.
img This build is in progress, and has failed at least one test.
img This personal build was not started yet.
img This personal build was successful.
img This personal build failed.
img This personal build was cancelled.
img This personal build is running, and so far has passed all of the tests.
img This personal build is running, and has failed at least one test.
Change
img This change is pending for the specified build configuration.
img A build with this change finished successfully.
img A build with this change failed.
img A build with this change was cancelled.
img A build with this change is running successfully.
img A build with this change is failing.
img A personal build with this change is pending.
img A personal build with this change was cancelled.
img A personal build with this change finished successfully.
img A personal build with this change failed.
img A personal build with this change is running, and so far has passed all of the tests.
img A personal build with this change is running, and has failed at least one test.