Teamcity-server.log

[2020-04-26 08:04:28,620]   WARN [:23.224), node id: MAIN_SERVER] -  jetbrains.buildServer.STARTUP - Database connection error: jetbrains.buildServer.serverSide.db.DatabaseIsNotReachableException: Could not connect to PostgreSQL server.

[2020-10-06 08:26:51,450]   WARN -    jetbrains.buildServer.AGENT - Agent "XXXX" {id=14} is disabled on registration

See also

• TeamCity: TeamCity Release Notes, TeamCity agents (buildagent.properties), Teamcity logs, Teamcity-server.log, TeamCity triggers