Antrium A35D

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: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)
 

MS SQL over TCP protocol
MS SQL Probe

windows firewall duvarında yukarıdaki 2 firewall kuralını aktif yapıyoruz (inbound rules) ve erişime açılıyor.