Provisioning Services Cannot Connect to SQL Express
Reasons of SQL Server Error 26 and Know How to Fix Error 26
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
Fixed] Error 26: Error Locating Server/Instance Specified in SQL Server 2008 - Codingvila
Unable to connect to the database: A network-related or instance-specific error occurred...SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified..." - BACKTRACK Error Message - Efficient Business Integrators - Support
When trying to manually start the SQL Server (NUCLEUS) receive an error 1814.