Problem:

A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 28 – Server doesn’t support requested protocol)

Solution:

SQL Estate Manager cannot connect to your instance due to one of the following problems:

• TCP/IP or Named Pipes protocols are disabled.

For more information, refer to SQL Server Configuration Prerequisites.