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Configure SQL Server 2005 to allow remote connections
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Configure SQL Server 2005 to allow remote connections
When you are trying to connect to an instance of SQL SERVER 2005 from your application or from a remote computer, most of the times you may get an error message. Because by default, SQL SERVER 2005 doesn't allow remote connection so you have to enable it manually. If you try to connect to remote SQL SERVER 2005 without enable remote connection first, you'll see one of these error messages:
1 .SQL SERVER doesn't allow remote connections.
2. SQL Network Interfaces, error: 26 - Error Locating Server/Instance
Specified.
3. An error has occured while establishing a connection to the server.
When connecting to SQL SERVER 2005,this failure may be caused by the
fact that under the default settings SQL SERVER doesn't allow remote
connections.(provider:Named Pipes Provider,error:40- Could not open
connection to SQL SERVER))Server does not exist or access denied.
See the Attachment Fig 1.1
Steps for Resolution:
Step-1. Enable remote connections on the instance of SQL SERVER that you
want to connect to from a remote computer.
Step-2. Turn on the SQL SERVER Browser service.
Step-3. Configure the firewall to allow network traffic that is related to
SQL SERVER and to the SQL SERVER Browser service.
Steps To Enable Remote Connection:
If you use SQL SERVER Management studio then follow below steps:
Step-1: Open SQL SERVER Management studio
Click Start -->> Programs -->> Microsoft SQL SERVER 2005 -->>SQL
SERVER Management studio
Step-2: Connect to the remote server.Right click on the server
instance.Select properties.
See the Attachment Fig 1.2
Step-3: Click Connections.Check to allow remote connections to this server.
If you are using SQL EXPRESS or SQL DEVELOPER edition then follow the below steps:
Step-1: Click Start -->> Programs -->> Microsoft SQL SERVER 2005
-->>Configuration Tools -->> SQL SERVER Surface Area Configuration.
Step-2: Now click Surface Area Configuration for Services and Connections.
Step-3: Now expand Database Engine, click Remote Connections, click Local
and remote connections, Choose a protocol to enable for your
environment, and then click Apply.
Restart MSSQLSERVER service from
Start -->> Control Panel -->> Administrative Tools -->> Service -->>
Select MSSQL Server -->> Restart Service
See the Attachment Fig 1.3
Enable Sql SERVER Browser service:
One thing noted that this may increase security risk. Microsoft recommend that you use this process only if you really require this process.To enable the SQL SERVER Browser service, follow these steps.
Step-1: Click Start -->> Programs -->> Microsoft SQL SERVER 2005
-->>Configuration Tools -->> SQL SERVER Surface Area
Configuration
Step-2: Now click Surface Area Configuration for Services and Connection
Select SQL SERVER Browser -->> Select Startup type Automatic
-->> Apply
See the Attachment Fig 1.4
Create exception in windows firewall for SQL Server:
If you are running a firewall on the computer that is running SQL SERVER 2005, external connections to SQL SERVER 2005 will be blocked unless SQL SERVER 2005 and the SQL SERVER Browser service can communicate through the firewall. You must create an exception for each instance of SQL SERVER 2005 that you want to accept remote connections and an exception for the SQL SERVER Browser service.
Open Start -->> Control Panel -->> Windows Firewall
Select Exceptions tab -->> Add Program -->> Browse
Click the C:\Program Files\Microsoft SQL Server\90\Shared\sqlbrowser.exe
executable program, click Open, and then click OK.
Regards
Santosh
 Attachments
 See the Fig (34341-24353-Image.rar)
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