Connection Error while starting SQL Server

Question

I have installed SQL Server 2014, and I did not specify any password and username, preferred Windows authentication. At the very first time the server connection was successful. But later on this error keeps showing up and the connection fails :

Server error connection
Cannot connect to DESKTOP-4JBE86H

Additional information

A network-related or instance-specific error occurred while establishing a connection to SQL server.The server was not found or was not accessible.( and some additional explanation)
The system cannot find the file specified.

Have you checked if the SQL Server service had started? – Han Jul 29 '17 at 11:14 — Han, Jul 29 '17 at 11:14
Thank you so much ! i did now and i fixed the Issue – Moslem Jul 29 '17 at 11:20 — Moslem, Jul 29 '17 at 11:20

score 0 · Answer 1 · answered Jul 29 '17 at 12:55

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Probably your SQL services are not working the easiest way to start them is to open cmd with admin rights and type

net start mssqlserver

And you are good to go

answered Jul 29 '17 at 12:55

Nabeel Zafar

191
10

score 0 · Answer 2 · answered Jul 29 '17 at 13:29

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See if the service is standing, and also verify that port 1433 is enabled for network access on the firewall

answered Jul 29 '17 at 13:29

Fabiano Carvalho

504
1
6
17

Connection Error while starting SQL Server

2 Answers2