When operating in Standalone or Managed by agent mode, Veeam Agent for Microsoft Windows version 5 and all previous versions utilize Microsoft SQL Server 2012 Express LocalDB (as described in this article: Veeam Endpoint Backup goes GA).

With Veeam Agent for Microsoft Windows version 6 the LocalDB is no longer in use, Veeam Agent for Microsoft Windows 6.0 uses SQLite database instead of Microsoft SQL Server 2012 Express LocalDB (the new database path is: C:\ProgramData\Veeam\EndpointData).

This because Microsoft has announced that SQL Server 2012 will reach End-of-Life on July 12, 2022. However, Veeam Agent for Microsoft Windows 5.0 will not reach End-of-Support until February of 2024 and will continue to use SQL 2012 LocalDB.

During the upgrade from v5 to to v6.0 a seamless migration to the new database engine will occur.

But it doesn’t get removed during the upgrade. If your client(s) have no other component which relies on those components, you can remove them manually.

You will see in your control panel the following packages:

For more details see Veeam KB 4334: Veeam Support Statement Regarding SQL 2012 LocalDB EOL