sa pass ?

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) (.Net SqlClient Data Provider)
huu quyenctAsked:
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Ganesh Kumar AConnect With a Mentor Sr Infrastructure SpecialistCommented:
Open the SQL network configuration manager from the Start>MS SQL server menu and check if all the protocol are enabled. Check your firewall, antivirus for the ports. If you are using dynamic ports, stick with the specific default port and try.

Refer this article :
Vitor MontalvãoConnect With a Mentor MSSQL Senior EngineerCommented:
The title of this question can lead to another kind of troubleshooting. What's true is by the explanation, this has nothing to do with sa password.
Connect to your SQL Server box and check if SQL Browser service is up and running.
You'll also need to configure the SQL Server to allow remote connections.
JustInCaseConnect With a Mentor Commented:
Error message is telling that server that you are trying to reach is not accessible (issue is unrelated to sa password). Any of following can be issue - host is down, network problem, firewall allong network path is blocking connection, firewall on host does not have open port for SQL server (default ports 1433 and 1434).
yo_beeConnect With a Mentor Director of Information TechnologyCommented:
To confirm 100%  that your SA account is working have you tried to run SMSS from the local server with the SA account and password you are trying to use from the remote machine?
Vitor MontalvãoMSSQL Senior EngineerCommented:
All valid inputs.
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