is there anyone who get the "no backup file specified.. " error when upgrading tableau server 2018.1 to 2018.2? i took the backup file before i started the process.
I didn't spot that error message in the list of common install issues for Tableau Server...
Troubleshoot Tableau Server Install and Upgrade - Tableau
Did you save a backup of your earlier version to a different computer?
Comparing Functionality of tabadmin and TSM - Tableau
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