ADEL Error – Fail to connect SQL Server

If you ever see this error when starting the ADEL software, follow the steps below to restart SQL:-

Windows 10 – Open ‘Computer Management’ by right-clicking the start icon (bottom left)

NOTE: For Windows 7 – Left-click on the start icon and open ‘Control Panel’ then select the option ‘Administrative Tools’ and then open ‘Computer Management’.











  1. Once the ‘Computer Management’ page is open – Left-Click on Services and Applications
  2. Left-click on the ‘SQL Server Configuration Manager’ option
  3. Left-click on ‘SQL Server Services’
  4. Right-Click on SQL Server (Name) then select ‘Start’ or ‘Restart’

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