The upgrade troubleshooting topics provide solutions to problems that you might encounter when upgrading vRealize Automation. Installation or Upgrade Fails with a Load Balancer Timeout ErrorA vRealize Automation installation or upgrade for a distributed deployment with a load balancer fails with a 503 service unavailable error. Upgrade Fails for Website Component During IaaS UpgradeThe IaaS upgrade fails and you cannot continue the upgrade. Incorrect Tab Names Appear IntermittentlyIaaS tabs and other tabs might be labeled incorrectly. Retrieve Logs to Troubleshoot the vRealize Code Stream UpgradeYou can retrieve the logs from the catalina.out log file in the vRealize Automation appliance to troubleshoot the vRealize Code Stream upgrade.