XcaliburW t is a web-based application which works with Microsoft Windows Server 2008 R2 and onwards versions. It requires the following applications and components be installed first:
Make sure that the following points are correct on your SQL Server installation
Click on your server, then choose property and check the following value on Security
Click on your server, then choose property and check the following value on Connections
Click on the user to use for the server installation(sa in general), then check that he is enabled and that he has a correct status
Check that the service is running
Check the state of the TCP protocol
Make sure that there is no dynamic port and the the port is 1433 for TCP protocol