Connecting to the master repository on the LocalDB is required to configure Visual Expert for local use. TThe master repository acts as the central storage for project data, configuration settings, and analysis results.
A successful LocalDB connection allows you to:
Use this procedure if:
Open Command Prompt as Administrator.
List all LocalDB instances by running:
sqllocaldb i
Check whether an instance named VISUALEXPERT exists.
sqllocaldb create VISUALEXPERT
If the instance already exists, proceed to the next step.
sqllocaldb stop VISUALEXPERT
sqllocaldb start VISUALEXPERT

Reopen Visual Expert and verify that the connection issue is resolved.
If the problem persists:
For improved stability and performance, especially in team environments, use SQL Server Standard, Enterprise, or Developer Edition instead of LocalDB. Refer to the SQL Server 2019 Installation Guide (Developer Edition) for detailed setup instructions.