GeneXus Course FAQs
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About installation
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First execution
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Transactions
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Patterns
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GeneXus Server
Error connecting to SQL Server
When creating a new Knowledge Base, the following error may occur:
![](https://training.genexus.com/media/images/error-conexion-sql.png?timestamp=20190531185403)
To solve it, access Windows Services (services.msc from the Execute window or looking for it from the
Start menu) and right-click --> Start on the SQL Server service (SQLEXPRESS).
![](https://training.genexus.com/media/images/error-conexion-sql.png?timestamp=20190531185403)
To solve it, access Windows Services (services.msc from the Execute window or looking for it from the
Start menu) and right-click --> Start on the SQL Server service (SQLEXPRESS).
![](https://training.genexus.com/media/images/sql-service.png?timestamp=20190531185403)