The SQL Server Management Studio is required for database backup during the SMC2.0 upgrade. The following describes how to download and install the SQL Server 2008 R2 client.
1. Download the SQL Server Management Studio client and copy it to the server for installation.（https://www.microsoft.com/en-us/download/details.aspx?id=22985)
2.Install the SQL Server Management Studio client.
Take the installation on Windows 2008 R2 as an example. Double-click SQLManagementStudio_x64_ENU to run the installation package.
Step 1. Installation is selected by default on the left of the page. If it is not selected by default, select it manually. On the right of the page, select New installation or add features to an existing installation.
Figure 1 Installation window (1)
Step 2. Click Next.
Figure 2 Installation window (2)
Step 3. Select I accept the license terms and click Next.
Figure 3 installation window (3)
Step 4. Click Next.
Figure 4 Installation window (4)
Step 5. Click Next until the installation success window is displayed, as shown in Figure 5.