# SQL Express Usage

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When SQL Server Express version is installed, connection problems may be encountered in the web interface. In SQL Server Express installation, listening on port 1433 over TCP/IP is disabled by default.

<figure><img src="/files/83tyBTY9xg3dftBfYPh7" alt=""><figcaption></figcaption></figure>

TCP/IP must be enabled. After TCP/IP enabling, SQL Server service must be restarted. SQL Server starts listening over TCP 1433 and accepts connection requests.


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