Issue
Attempting to perform an upgrade of Tableau Server, or attempting to carry out a clean reinstall and restoring a backup (without the --no-config option) fails with the following error in tabadmin.log:Unable to init component Components::Vizportal (6 of 16): MultiCommand::ReportableError: Command 'E:/Program Files/Tableau/Tableau Server/10.0/bin/tabmigrate.exe db:migrate WG_SERVICE=tabsvc RAILS_ENV=production' failed with code 1, result was (in E:/Program Files/Tableau/Tableau Server/10.0/bin)
rake aborted!
Log level must be in 0..9
Additionally, the following error may occur after performing an upgrade:
Tableau Server Initialization Failed