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VeeamBackup&Replication 12 instlation failed

  • February 8, 2024
  • 27 comments
  • 5660 views

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27 comments

  • New Here
  • September 24, 2025

I dealt with this issue on a server refusing to upgrade from 12.2 to 12.3, My resolution was to make a config backup, stop all veeam services, Uninstall PostgreSQL, Uninstall VBR and any left over apps not removed by uninstaller, then reinstall with the 12.3 ISO and restore config. 


Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • October 22, 2025

@mnour  - just wanted to follow up and see if you were able to get an answer from this thread? If so please mark the best answer or if you figured it out post the answer then mark that one as the best answer.