The upgrade troubleshooting topics provide solutions to problems that you might encounter when upgrading vRealize Automation. 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. 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 CredentialsThe migration of the identity store fails because of incorrect Active Directory domain credentials or the lack of user permission. Log In Fails After UpgradeYou must exit the browser and log in again after an upgrade for sessions that use unsynchronized user accounts. Upgrade Is Unsuccessful if Root Partition Does Not Provide Sufficient Free SpaceIf sufficient free space is unavailable on the root partition of the vRealize Automation appliance host, upgrade cannot proceed.