# Connecting to SQL Server with Windows authentication
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To connect to SQL Server with Windows Authentication, you must be logged into a domain-joined computer as a domain user. After launching SQL Server Management Studio, choose **Windows Authentication** as the authentication type, as shown following.

![Connect to SQL Server using Windows Authentication.](https://docs.amazonaws.cn/en_us/AmazonRDS/latest/UserGuide/images/WinAuth4.png)