A network-related or instance-specific error For Central Administration sharepoint

Error


: 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)

 

 

 

Resolve Step:

 

1- 

Open SharePoint Central Administration v4 Web.config File in VS2010 or 

notepad

2- 

Find this Node :

  

  <roleManager enabled="true">
  

    <providers>
      

</providers>
    </roleManager>

 

(Under 

System.Web Node)

& 

Change Enabled to  

 

 <roleManager 

enabled=" false 

">
      <providers>
      

</providers>
    </roleManager>