How to Install Microsoft SQL Server 2008 R2112

PrerequisitesBefore installing SQL Server 2008 R2, ensure your system meets the following prerequisites:
* Operating System: Windows Server 2008 (32-bit or 64-bit) or Windows Vista (32-bit or 64-bit)
* CPU: 1 GHz or faster processor
* RAM: 512 MB (1 GB recommended)
* Hard Disk Space: 4 GB of available space
* .NET Framework: Version 3.5 or later

Step 1: Download the Installation MediaDownload the SQL Server 2008 R2 installation media from the Microsoft website:
* [SQL Server 2008 R2 Standard Edition](/en-us/download/?id=8362)
* [SQL Server 2008 R2 Enterprise Edition](/en-us/download/?id=8363)

Step 2: Run the Installation Wizard* Navigate to the downloaded ISO file and mount it.
* Run the "" file from the mounted ISO.
* Choose the installation type as "New SQL Server failover cluster installation" or "New SQL Server stand-alone installation" based on your requirement.

Step 3: Select Features* On the Features page, select the features you want to install. By default, only the Database Engine Services are selected.
* If you need additional features such as Full-Text Search, Reporting Services, or Integration Services, select them now.

Step 4: Instance Configuration* Choose the instance name for your SQL Server. The default instance name is "MSSQLSERVER".
* Select the service account under which SQL Server will run. Choose a service account with appropriate permissions.

Step 5: Database Engine Configuration* Select the authentication mode for your SQL Server instance. Windows authentication is recommended for a domain environment.
* Configure the database files (MDF and LDF) locations and sizes. It's advisable to place the files on separate physical disks for better performance.

Step 6: Networking Configuration* Configure the TCP/IP protocol for SQL Server. This is required for remote connections.
* Specify the port number for SQL Server (default port is 1433).
* Enable or disable Named Pipes protocol as needed.

Step 7: Data Directories* Specify the location for the data directory. This is where the SQL Server database files will be stored.
* Choose the tempdb configuration options, including the file name, size, and location.

Step 8: Error Reporting* Configure error reporting settings. You can choose to send error reports to Microsoft or disable them.

Step 9: Installation Summary* Review the installation summary to ensure everything is configured as desired.
* Click "Install" to start the installation process.

Step 10: Post-Installation* Once the installation is complete, you'll need to create a SQL Server login with administrative privileges.
* Configure SQL Server for remote connections by enabling firewall rules and configuring TCP/IP settings.
* Install any additional features as needed, such as SQL Server Management Studio (SSMS).