The upgrade troubleshooting topics provide solutions to problems that you might encounter when upgrading vRealize Automation. Migration of Identity Store Fails Because the Active Directory is not SynchronizedThe migration of identity store fails because a thousand plus groups in the Active Directory have not been synchronized to the VMware Identity Manager utility directory. Migration of Identity Store Fails Because of Incorrect Credentialshe migration of identity store fails because of incorrect Active Directory domain credentials or lack or user permission. Migration of Identity Store Fails With a Timeout Error MessageThe timeout configuration does not adequately accommodate the migration process. 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. Manager Service Fails to Run Due to SSL Validation Errors During RuntimeThe manager service fails to run due to SSL validation errors. Log In Fails After UpgradeYou must exit the browser and log in again after an upgrade for sessions that use unsynchronized user accounts. 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.